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Finding the Fourth Proportional to 5,863.72, 8,787.66 and 2,162.44

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Solution

The fourth proportional to 5,863.72, 8,787.66 and 2,162.44 is: 3,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.72 : 8,787.66 = 2,162.44 : x
  2. Step 2: Convert to fraction form
    5,863.72/8,787.66 = 2,162.44/x
  3. Step 3: Cross multiply
    5,863.72x = 8,787.66 × 2,162.44
  4. Step 4: Simplify right side
    5,863.72x = 19,002,787.49
  5. Step 5: Solve for x
    x = 19,002,787.49/5,863.72
  6. Step 6: Final answer
    x = 3,240.74

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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.