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Finding the Fourth Proportional to 83,663.38, 125,468.46 and 27,490.56

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Solution

The fourth proportional to 83,663.38, 125,468.46 and 27,490.56 is: 41,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663.38 : 125,468.46 = 27,490.56 : x
  2. Step 2: Convert to fraction form
    83,663.38/125,468.46 = 27,490.56/x
  3. Step 3: Cross multiply
    83,663.38x = 125,468.46 × 27,490.56
  4. Step 4: Simplify right side
    83,663.38x = 3,449,197,757.23
  5. Step 5: Solve for x
    x = 3,449,197,757.23/83,663.38
  6. Step 6: Final answer
    x = 41,227.09

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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.