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Finding the Fourth Proportional to 17,949.13, 26,930.53 and 8,086.14

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Solution

The fourth proportional to 17,949.13, 26,930.53 and 8,086.14 is: 12,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.13 : 26,930.53 = 8,086.14 : x
  2. Step 2: Convert to fraction form
    17,949.13/26,930.53 = 8,086.14/x
  3. Step 3: Cross multiply
    17,949.13x = 26,930.53 × 8,086.14
  4. Step 4: Simplify right side
    17,949.13x = 217,764,035.85
  5. Step 5: Solve for x
    x = 217,764,035.85/17,949.13
  6. Step 6: Final answer
    x = 12,132.29

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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.