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Finding the Fourth Proportional to 8,791.82, 12,132.61 and 5,014.89

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Solution

The fourth proportional to 8,791.82, 12,132.61 and 5,014.89 is: 6,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.82 : 12,132.61 = 5,014.89 : x
  2. Step 2: Convert to fraction form
    8,791.82/12,132.61 = 5,014.89/x
  3. Step 3: Cross multiply
    8,791.82x = 12,132.61 × 5,014.89
  4. Step 4: Simplify right side
    8,791.82x = 60,843,704.56
  5. Step 5: Solve for x
    x = 60,843,704.56/8,791.82
  6. Step 6: Final answer
    x = 6,920.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.