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Finding the Fourth Proportional to 26,524.71, 39,791.98 and 8,756.61

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Solution

The fourth proportional to 26,524.71, 39,791.98 and 8,756.61 is: 13,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,524.71 : 39,791.98 = 8,756.61 : x
  2. Step 2: Convert to fraction form
    26,524.71/39,791.98 = 8,756.61/x
  3. Step 3: Cross multiply
    26,524.71x = 39,791.98 × 8,756.61
  4. Step 4: Simplify right side
    26,524.71x = 348,442,834.54
  5. Step 5: Solve for x
    x = 348,442,834.54/26,524.71
  6. Step 6: Final answer
    x = 13,136.54

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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.