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Finding the Fourth Proportional to 29,151.52, 40,248.46 and 22,425.28

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Solution

The fourth proportional to 29,151.52, 40,248.46 and 22,425.28 is: 30,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.52 : 40,248.46 = 22,425.28 : x
  2. Step 2: Convert to fraction form
    29,151.52/40,248.46 = 22,425.28/x
  3. Step 3: Cross multiply
    29,151.52x = 40,248.46 × 22,425.28
  4. Step 4: Simplify right side
    29,151.52x = 902,582,912.48
  5. Step 5: Solve for x
    x = 902,582,912.48/29,151.52
  6. Step 6: Final answer
    x = 30,961.78

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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.