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Finding the Fourth Proportional to 52,658.67, 72,621.92 and 43,691.97

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Solution

The fourth proportional to 52,658.67, 72,621.92 and 43,691.97 is: 60,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,658.67 : 72,621.92 = 43,691.97 : x
  2. Step 2: Convert to fraction form
    52,658.67/72,621.92 = 43,691.97/x
  3. Step 3: Cross multiply
    52,658.67x = 72,621.92 × 43,691.97
  4. Step 4: Simplify right side
    52,658.67x = 3,172,994,531.52
  5. Step 5: Solve for x
    x = 3,172,994,531.52/52,658.67
  6. Step 6: Final answer
    x = 60,255.88

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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.