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Finding the Fourth Proportional to 74,342.91, 111,490.88 and 24,414.78

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Solution

The fourth proportional to 74,342.91, 111,490.88 and 24,414.78 is: 36,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.91 : 111,490.88 = 24,414.78 : x
  2. Step 2: Convert to fraction form
    74,342.91/111,490.88 = 24,414.78/x
  3. Step 3: Cross multiply
    74,342.91x = 111,490.88 × 24,414.78
  4. Step 4: Simplify right side
    74,342.91x = 2,722,025,185.13
  5. Step 5: Solve for x
    x = 2,722,025,185.13/74,342.91
  6. Step 6: Final answer
    x = 36,614.46

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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.