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Finding the Fourth Proportional to 8,068.38, 12,105 and 2,522.31

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Solution

The fourth proportional to 8,068.38, 12,105 and 2,522.31 is: 3,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.38 : 12,105 = 2,522.31 : x
  2. Step 2: Convert to fraction form
    8,068.38/12,105 = 2,522.31/x
  3. Step 3: Cross multiply
    8,068.38x = 12,105 × 2,522.31
  4. Step 4: Simplify right side
    8,068.38x = 30,532,562.55
  5. Step 5: Solve for x
    x = 30,532,562.55/8,068.38
  6. Step 6: Final answer
    x = 3,784.22

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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.