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Finding the Fourth Proportional to 8,630.91, 11,909.82 and 5,046.69

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Solution

The fourth proportional to 8,630.91, 11,909.82 and 5,046.69 is: 6,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.91 : 11,909.82 = 5,046.69 : x
  2. Step 2: Convert to fraction form
    8,630.91/11,909.82 = 5,046.69/x
  3. Step 3: Cross multiply
    8,630.91x = 11,909.82 × 5,046.69
  4. Step 4: Simplify right side
    8,630.91x = 60,105,169.50
  5. Step 5: Solve for x
    x = 60,105,169.50/8,630.91
  6. Step 6: Final answer
    x = 6,963.94

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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.