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Finding the Fourth Proportional to 63,593.19, 87,740.82 and 39,744.09

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Solution

The fourth proportional to 63,593.19, 87,740.82 and 39,744.09 is: 54,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,593.19 : 87,740.82 = 39,744.09 : x
  2. Step 2: Convert to fraction form
    63,593.19/87,740.82 = 39,744.09/x
  3. Step 3: Cross multiply
    63,593.19x = 87,740.82 × 39,744.09
  4. Step 4: Simplify right side
    63,593.19x = 3,487,179,046.75
  5. Step 5: Solve for x
    x = 3,487,179,046.75/63,593.19
  6. Step 6: Final answer
    x = 54,835.73

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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.