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Finding the Fourth Proportional to 22,861.81, 34,296.81 and 8,079.31

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Solution

The fourth proportional to 22,861.81, 34,296.81 and 8,079.31 is: 12,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.81 : 34,296.81 = 8,079.31 : x
  2. Step 2: Convert to fraction form
    22,861.81/34,296.81 = 8,079.31/x
  3. Step 3: Cross multiply
    22,861.81x = 34,296.81 × 8,079.31
  4. Step 4: Simplify right side
    22,861.81x = 277,094,560.00
  5. Step 5: Solve for x
    x = 277,094,560.00/22,861.81
  6. Step 6: Final answer
    x = 12,120.41

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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.