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Finding the Fourth Proportional to 83,812.73, 125,719.10 and 24,648.90

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Solution

The fourth proportional to 83,812.73, 125,719.10 and 24,648.90 is: 36,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.73 : 125,719.10 = 24,648.90 : x
  2. Step 2: Convert to fraction form
    83,812.73/125,719.10 = 24,648.90/x
  3. Step 3: Cross multiply
    83,812.73x = 125,719.10 × 24,648.90
  4. Step 4: Simplify right side
    83,812.73x = 3,098,837,400.75
  5. Step 5: Solve for x
    x = 3,098,837,400.75/83,812.73
  6. Step 6: Final answer
    x = 36,973.35

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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.