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Finding the Fourth Proportional to 8,068.52, 12,107.98 and 3,451.56

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Solution

The fourth proportional to 8,068.52, 12,107.98 and 3,451.56 is: 5,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.52 : 12,107.98 = 3,451.56 : x
  2. Step 2: Convert to fraction form
    8,068.52/12,107.98 = 3,451.56/x
  3. Step 3: Cross multiply
    8,068.52x = 12,107.98 × 3,451.56
  4. Step 4: Simplify right side
    8,068.52x = 41,791,419.45
  5. Step 5: Solve for x
    x = 41,791,419.45/8,068.52
  6. Step 6: Final answer
    x = 5,179.56

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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.