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Finding the Fourth Proportional to 8,248.65, 12,375.72 and 5,486.21

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Solution

The fourth proportional to 8,248.65, 12,375.72 and 5,486.21 is: 8,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.65 : 12,375.72 = 5,486.21 : x
  2. Step 2: Convert to fraction form
    8,248.65/12,375.72 = 5,486.21/x
  3. Step 3: Cross multiply
    8,248.65x = 12,375.72 × 5,486.21
  4. Step 4: Simplify right side
    8,248.65x = 67,895,783.35
  5. Step 5: Solve for x
    x = 67,895,783.35/8,248.65
  6. Step 6: Final answer
    x = 8,231.14

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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.