In Exercises 5 to 14, find the value of x in each proportion.
a) 

b) 

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Statistics for Business & Economics, Revised (MindTap Course List)
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Introduction To Statistics And Data Analysis
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Essentials Of Statistics For Business & Economics
Mathematics: A Practical Odyssey
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Calculus Volume 2
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)