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Finding the Fourth Proportional to 8,909.82, 12,287.98 and 5,502.71

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Solution

The fourth proportional to 8,909.82, 12,287.98 and 5,502.71 is: 7,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.82 : 12,287.98 = 5,502.71 : x
  2. Step 2: Convert to fraction form
    8,909.82/12,287.98 = 5,502.71/x
  3. Step 3: Cross multiply
    8,909.82x = 12,287.98 × 5,502.71
  4. Step 4: Simplify right side
    8,909.82x = 67,617,162.91
  5. Step 5: Solve for x
    x = 67,617,162.91/8,909.82
  6. Step 6: Final answer
    x = 7,589.06

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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.