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Finding the Fourth Proportional to 83,735.13, 125,616.78 and 27,591.42

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Solution

The fourth proportional to 83,735.13, 125,616.78 and 27,591.42 is: 41,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,735.13 : 125,616.78 = 27,591.42 : x
  2. Step 2: Convert to fraction form
    83,735.13/125,616.78 = 27,591.42/x
  3. Step 3: Cross multiply
    83,735.13x = 125,616.78 × 27,591.42
  4. Step 4: Simplify right side
    83,735.13x = 3,465,945,336.03
  5. Step 5: Solve for x
    x = 3,465,945,336.03/83,735.13
  6. Step 6: Final answer
    x = 41,391.77

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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.