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Finding the Fourth Proportional to 48,874.83, 73,306.49 and 38,489.55

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Solution

The fourth proportional to 48,874.83, 73,306.49 and 38,489.55 is: 57,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,874.83 : 73,306.49 = 38,489.55 : x
  2. Step 2: Convert to fraction form
    48,874.83/73,306.49 = 38,489.55/x
  3. Step 3: Cross multiply
    48,874.83x = 73,306.49 × 38,489.55
  4. Step 4: Simplify right side
    48,874.83x = 2,821,533,619.73
  5. Step 5: Solve for x
    x = 2,821,533,619.73/48,874.83
  6. Step 6: Final answer
    x = 57,729.79

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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.