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Finding the Fourth Proportional to 27,342.38, 41,013.57 and 8,874.38

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Solution

The fourth proportional to 27,342.38, 41,013.57 and 8,874.38 is: 13,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.38 : 41,013.57 = 8,874.38 : x
  2. Step 2: Convert to fraction form
    27,342.38/41,013.57 = 8,874.38/x
  3. Step 3: Cross multiply
    27,342.38x = 41,013.57 × 8,874.38
  4. Step 4: Simplify right side
    27,342.38x = 363,969,800.27
  5. Step 5: Solve for x
    x = 363,969,800.27/27,342.38
  6. Step 6: Final answer
    x = 13,311.56

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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.