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Finding the Fourth Proportional to 29,757.48, 41,049.84 and 20,197.92

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Solution

The fourth proportional to 29,757.48, 41,049.84 and 20,197.92 is: 27,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,757.48 : 41,049.84 = 20,197.92 : x
  2. Step 2: Convert to fraction form
    29,757.48/41,049.84 = 20,197.92/x
  3. Step 3: Cross multiply
    29,757.48x = 41,049.84 × 20,197.92
  4. Step 4: Simplify right side
    29,757.48x = 829,121,384.33
  5. Step 5: Solve for x
    x = 829,121,384.33/29,757.48
  6. Step 6: Final answer
    x = 27,862.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.