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Finding the Fourth Proportional to 37,863.92, 52,251.49 and 20,869.73

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Solution

The fourth proportional to 37,863.92, 52,251.49 and 20,869.73 is: 28,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,863.92 : 52,251.49 = 20,869.73 : x
  2. Step 2: Convert to fraction form
    37,863.92/52,251.49 = 20,869.73/x
  3. Step 3: Cross multiply
    37,863.92x = 52,251.49 × 20,869.73
  4. Step 4: Simplify right side
    37,863.92x = 1,090,474,488.40
  5. Step 5: Solve for x
    x = 1,090,474,488.40/37,863.92
  6. Step 6: Final answer
    x = 28,799.83

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1.5x scale

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.