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Finding the Fourth Proportional to 5,861.19, 8,787.89 and 3,229.96

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Solution

The fourth proportional to 5,861.19, 8,787.89 and 3,229.96 is: 4,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.19 : 8,787.89 = 3,229.96 : x
  2. Step 2: Convert to fraction form
    5,861.19/8,787.89 = 3,229.96/x
  3. Step 3: Cross multiply
    5,861.19x = 8,787.89 × 3,229.96
  4. Step 4: Simplify right side
    5,861.19x = 28,384,519.29
  5. Step 5: Solve for x
    x = 28,384,519.29/5,861.19
  6. Step 6: Final answer
    x = 4,842.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.