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Finding the Fourth Proportional to 16,734.20, 25,086.90 and 8,526.20

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Solution

The fourth proportional to 16,734.20, 25,086.90 and 8,526.20 is: 12,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,734.20 : 25,086.90 = 8,526.20 : x
  2. Step 2: Convert to fraction form
    16,734.20/25,086.90 = 8,526.20/x
  3. Step 3: Cross multiply
    16,734.20x = 25,086.90 × 8,526.20
  4. Step 4: Simplify right side
    16,734.20x = 213,895,926.78
  5. Step 5: Solve for x
    x = 213,895,926.78/16,734.20
  6. Step 6: Final answer
    x = 12,781.96

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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.