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Finding the Fourth Proportional to 17,168.60, 25,712.10 and 8,375.24

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Solution

The fourth proportional to 17,168.60, 25,712.10 and 8,375.24 is: 12,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.60 : 25,712.10 = 8,375.24 : x
  2. Step 2: Convert to fraction form
    17,168.60/25,712.10 = 8,375.24/x
  3. Step 3: Cross multiply
    17,168.60x = 25,712.10 × 8,375.24
  4. Step 4: Simplify right side
    17,168.60x = 215,345,008.40
  5. Step 5: Solve for x
    x = 215,345,008.40/17,168.60
  6. Step 6: Final answer
    x = 12,542.96

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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.