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Finding the Fourth Proportional to 83,813.52, 125,720.27 and 24,649.19

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Solution

The fourth proportional to 83,813.52, 125,720.27 and 24,649.19 is: 36,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,813.52 : 125,720.27 = 24,649.19 : x
  2. Step 2: Convert to fraction form
    83,813.52/125,720.27 = 24,649.19/x
  3. Step 3: Cross multiply
    83,813.52x = 125,720.27 × 24,649.19
  4. Step 4: Simplify right side
    83,813.52x = 3,098,902,193.48
  5. Step 5: Solve for x
    x = 3,098,902,193.48/83,813.52
  6. Step 6: Final answer
    x = 36,973.78

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Similar ratio
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1.5x scale

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.