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Finding the Fourth Proportional to 8,714.18, 12,027.52 and 5,359.88

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Solution

The fourth proportional to 8,714.18, 12,027.52 and 5,359.88 is: 7,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.18 : 12,027.52 = 5,359.88 : x
  2. Step 2: Convert to fraction form
    8,714.18/12,027.52 = 5,359.88/x
  3. Step 3: Cross multiply
    8,714.18x = 12,027.52 × 5,359.88
  4. Step 4: Simplify right side
    8,714.18x = 64,466,063.90
  5. Step 5: Solve for x
    x = 64,466,063.90/8,714.18
  6. Step 6: Final answer
    x = 7,397.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.