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Finding the Fourth Proportional to 18,236.59, 27,350.96 and 5,757.59

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Solution

The fourth proportional to 18,236.59, 27,350.96 and 5,757.59 is: 8,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.59 : 27,350.96 = 5,757.59 : x
  2. Step 2: Convert to fraction form
    18,236.59/27,350.96 = 5,757.59/x
  3. Step 3: Cross multiply
    18,236.59x = 27,350.96 × 5,757.59
  4. Step 4: Simplify right side
    18,236.59x = 157,475,613.79
  5. Step 5: Solve for x
    x = 157,475,613.79/18,236.59
  6. Step 6: Final answer
    x = 8,635.15

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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.