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Finding the Fourth Proportional to 22,343.83, 33,520.07 and 8,491.75

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Solution

The fourth proportional to 22,343.83, 33,520.07 and 8,491.75 is: 12,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.83 : 33,520.07 = 8,491.75 : x
  2. Step 2: Convert to fraction form
    22,343.83/33,520.07 = 8,491.75/x
  3. Step 3: Cross multiply
    22,343.83x = 33,520.07 × 8,491.75
  4. Step 4: Simplify right side
    22,343.83x = 284,644,011.96
  5. Step 5: Solve for x
    x = 284,644,011.96/22,343.83
  6. Step 6: Final answer
    x = 12,739.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.