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Finding the Fourth Proportional to 63,446.92, 87,530.92 and 39,230.68

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Solution

The fourth proportional to 63,446.92, 87,530.92 and 39,230.68 is: 54,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446.92 : 87,530.92 = 39,230.68 : x
  2. Step 2: Convert to fraction form
    63,446.92/87,530.92 = 39,230.68/x
  3. Step 3: Cross multiply
    63,446.92x = 87,530.92 × 39,230.68
  4. Step 4: Simplify right side
    63,446.92x = 3,433,897,304.67
  5. Step 5: Solve for x
    x = 3,433,897,304.67/63,446.92
  6. Step 6: Final answer
    x = 54,122.36

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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.