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Finding the Fourth Proportional to 26,472.38, 39,711.87 and 8,004.38

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Solution

The fourth proportional to 26,472.38, 39,711.87 and 8,004.38 is: 12,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.38 : 39,711.87 = 8,004.38 : x
  2. Step 2: Convert to fraction form
    26,472.38/39,711.87 = 8,004.38/x
  3. Step 3: Cross multiply
    26,472.38x = 39,711.87 × 8,004.38
  4. Step 4: Simplify right side
    26,472.38x = 317,868,699.43
  5. Step 5: Solve for x
    x = 317,868,699.43/26,472.38
  6. Step 6: Final answer
    x = 12,007.56

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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.