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Finding the Fourth Proportional to 18,591.92, 25,657.30 and 10,634.88

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Solution

The fourth proportional to 18,591.92, 25,657.30 and 10,634.88 is: 14,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.92 : 25,657.30 = 10,634.88 : x
  2. Step 2: Convert to fraction form
    18,591.92/25,657.30 = 10,634.88/x
  3. Step 3: Cross multiply
    18,591.92x = 25,657.30 × 10,634.88
  4. Step 4: Simplify right side
    18,591.92x = 272,862,306.62
  5. Step 5: Solve for x
    x = 272,862,306.62/18,591.92
  6. Step 6: Final answer
    x = 14,676.39

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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.