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Finding the Fourth Proportional to 18,425.60, 27,614.10 and 16,335.80

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Solution

The fourth proportional to 18,425.60, 27,614.10 and 16,335.80 is: 24,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.60 : 27,614.10 = 16,335.80 : x
  2. Step 2: Convert to fraction form
    18,425.60/27,614.10 = 16,335.80/x
  3. Step 3: Cross multiply
    18,425.60x = 27,614.10 × 16,335.80
  4. Step 4: Simplify right side
    18,425.60x = 451,098,414.78
  5. Step 5: Solve for x
    x = 451,098,414.78/18,425.60
  6. Step 6: Final answer
    x = 24,482.16

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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.