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Finding the Fourth Proportional to 63,593.16, 87,754.57 and 36,731.31

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Solution

The fourth proportional to 63,593.16, 87,754.57 and 36,731.31 is: 50,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,593.16 : 87,754.57 = 36,731.31 : x
  2. Step 2: Convert to fraction form
    63,593.16/87,754.57 = 36,731.31/x
  3. Step 3: Cross multiply
    63,593.16x = 87,754.57 × 36,731.31
  4. Step 4: Simplify right side
    63,593.16x = 3,223,340,314.59
  5. Step 5: Solve for x
    x = 3,223,340,314.59/63,593.16
  6. Step 6: Final answer
    x = 50,686.90

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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.