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Finding the Fourth Proportional to 83,757.48, 125,651.61 and 27,600.90

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Solution

The fourth proportional to 83,757.48, 125,651.61 and 27,600.90 is: 41,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,757.48 : 125,651.61 = 27,600.90 : x
  2. Step 2: Convert to fraction form
    83,757.48/125,651.61 = 27,600.90/x
  3. Step 3: Cross multiply
    83,757.48x = 125,651.61 × 27,600.90
  4. Step 4: Simplify right side
    83,757.48x = 3,468,097,522.45
  5. Step 5: Solve for x
    x = 3,468,097,522.45/83,757.48
  6. Step 6: Final answer
    x = 41,406.42

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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.