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Finding the Fourth Proportional to 57,809.08, 86,713.17 and 29,737

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Solution

The fourth proportional to 57,809.08, 86,713.17 and 29,737 is: 44,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,809.08 : 86,713.17 = 29,737 : x
  2. Step 2: Convert to fraction form
    57,809.08/86,713.17 = 29,737/x
  3. Step 3: Cross multiply
    57,809.08x = 86,713.17 × 29,737
  4. Step 4: Simplify right side
    57,809.08x = 2,578,589,536.29
  5. Step 5: Solve for x
    x = 2,578,589,536.29/57,809.08
  6. Step 6: Final answer
    x = 44,605.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.