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Finding the Fourth Proportional to 67,229.24, 100,843.80 and 27,742.92

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Solution

The fourth proportional to 67,229.24, 100,843.80 and 27,742.92 is: 41,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.24 : 100,843.80 = 27,742.92 : x
  2. Step 2: Convert to fraction form
    67,229.24/100,843.80 = 27,742.92/x
  3. Step 3: Cross multiply
    67,229.24x = 100,843.80 × 27,742.92
  4. Step 4: Simplify right side
    67,229.24x = 2,797,701,475.90
  5. Step 5: Solve for x
    x = 2,797,701,475.90/67,229.24
  6. Step 6: Final answer
    x = 41,614.36

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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.