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Finding the Fourth Proportional to 63,942.74, 88,241.56 and 38,449.88

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Solution

The fourth proportional to 63,942.74, 88,241.56 and 38,449.88 is: 53,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,942.74 : 88,241.56 = 38,449.88 : x
  2. Step 2: Convert to fraction form
    63,942.74/88,241.56 = 38,449.88/x
  3. Step 3: Cross multiply
    63,942.74x = 88,241.56 × 38,449.88
  4. Step 4: Simplify right side
    63,942.74x = 3,392,876,855.68
  5. Step 5: Solve for x
    x = 3,392,876,855.68/63,942.74
  6. Step 6: Final answer
    x = 53,061.18

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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.