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Finding the Fourth Proportional to 8,879.73, 13,318.22 and 3,034.97

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Solution

The fourth proportional to 8,879.73, 13,318.22 and 3,034.97 is: 4,551.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.73 : 13,318.22 = 3,034.97 : x
  2. Step 2: Convert to fraction form
    8,879.73/13,318.22 = 3,034.97/x
  3. Step 3: Cross multiply
    8,879.73x = 13,318.22 × 3,034.97
  4. Step 4: Simplify right side
    8,879.73x = 40,420,389.09
  5. Step 5: Solve for x
    x = 40,420,389.09/8,879.73
  6. Step 6: Final answer
    x = 4,551.99

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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.