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Finding the Fourth Proportional to 63,712.78, 95,555.04 and 38,662.97

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Solution

The fourth proportional to 63,712.78, 95,555.04 and 38,662.97 is: 57,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.78 : 95,555.04 = 38,662.97 : x
  2. Step 2: Convert to fraction form
    63,712.78/95,555.04 = 38,662.97/x
  3. Step 3: Cross multiply
    63,712.78x = 95,555.04 × 38,662.97
  4. Step 4: Simplify right side
    63,712.78x = 3,694,441,777.08
  5. Step 5: Solve for x
    x = 3,694,441,777.08/63,712.78
  6. Step 6: Final answer
    x = 57,985.88

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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.