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Finding the Fourth Proportional to 18,236.27, 27,354.41 and 5,757.27

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Solution

The fourth proportional to 18,236.27, 27,354.41 and 5,757.27 is: 8,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.27 : 27,354.41 = 5,757.27 : x
  2. Step 2: Convert to fraction form
    18,236.27/27,354.41 = 5,757.27/x
  3. Step 3: Cross multiply
    18,236.27x = 27,354.41 × 5,757.27
  4. Step 4: Simplify right side
    18,236.27x = 157,486,558.50
  5. Step 5: Solve for x
    x = 157,486,558.50/18,236.27
  6. Step 6: Final answer
    x = 8,635.90

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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.