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Finding the Fourth Proportional to 40,540.80, 55,951.02 and 24,620.88

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Solution

The fourth proportional to 40,540.80, 55,951.02 and 24,620.88 is: 33,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,540.80 : 55,951.02 = 24,620.88 : x
  2. Step 2: Convert to fraction form
    40,540.80/55,951.02 = 24,620.88/x
  3. Step 3: Cross multiply
    40,540.80x = 55,951.02 × 24,620.88
  4. Step 4: Simplify right side
    40,540.80x = 1,377,563,349.30
  5. Step 5: Solve for x
    x = 1,377,563,349.30/40,540.80
  6. Step 6: Final answer
    x = 33,979.68

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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.