A man walks 12 0715 m directed 162 6268 degrees from the positive x-axis, then he walks 20 1120 m directed 328 5387 degrees from the positive x-axis, then finally he walks 27 4815 m directed 213 7160 degrees from the positive x-axis. How far he is now from his starting point? Express your answer accurate to four decimal places. Enter only the numerical value.

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Estimate of calculation