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Finding the Fourth Proportional to 60,841.92, 83,930.40 and 38,498.88

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Solution

The fourth proportional to 60,841.92, 83,930.40 and 38,498.88 is: 53,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,841.92 : 83,930.40 = 38,498.88 : x
  2. Step 2: Convert to fraction form
    60,841.92/83,930.40 = 38,498.88/x
  3. Step 3: Cross multiply
    60,841.92x = 83,930.40 × 38,498.88
  4. Step 4: Simplify right side
    60,841.92x = 3,231,226,397.95
  5. Step 5: Solve for x
    x = 3,231,226,397.95/60,841.92
  6. Step 6: Final answer
    x = 53,108.55

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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.