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Finding the Fourth Proportional to 6,487.10, 8,951.59 and 3,833.99

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Solution

The fourth proportional to 6,487.10, 8,951.59 and 3,833.99 is: 5,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.10 : 8,951.59 = 3,833.99 : x
  2. Step 2: Convert to fraction form
    6,487.10/8,951.59 = 3,833.99/x
  3. Step 3: Cross multiply
    6,487.10x = 8,951.59 × 3,833.99
  4. Step 4: Simplify right side
    6,487.10x = 34,320,306.54
  5. Step 5: Solve for x
    x = 34,320,306.54/6,487.10
  6. Step 6: Final answer
    x = 5,290.55

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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.