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Finding the Fourth Proportional to 16,876.60, 25,314.90 and 15,062.20

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Solution

The fourth proportional to 16,876.60, 25,314.90 and 15,062.20 is: 22,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.60 : 25,314.90 = 15,062.20 : x
  2. Step 2: Convert to fraction form
    16,876.60/25,314.90 = 15,062.20/x
  3. Step 3: Cross multiply
    16,876.60x = 25,314.90 × 15,062.20
  4. Step 4: Simplify right side
    16,876.60x = 381,298,086.78
  5. Step 5: Solve for x
    x = 381,298,086.78/16,876.60
  6. Step 6: Final answer
    x = 22,593.30

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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.