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Finding the Fourth Proportional to 63,463.77, 87,581.13 and 34,781.53

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Solution

The fourth proportional to 63,463.77, 87,581.13 and 34,781.53 is: 47,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,463.77 : 87,581.13 = 34,781.53 : x
  2. Step 2: Convert to fraction form
    63,463.77/87,581.13 = 34,781.53/x
  3. Step 3: Cross multiply
    63,463.77x = 87,581.13 × 34,781.53
  4. Step 4: Simplify right side
    63,463.77x = 3,046,205,700.53
  5. Step 5: Solve for x
    x = 3,046,205,700.53/63,463.77
  6. Step 6: Final answer
    x = 47,999.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.