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Finding the Fourth Proportional to 8,248.58, 12,367.00 and 3,863.65

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Solution

The fourth proportional to 8,248.58, 12,367.00 and 3,863.65 is: 5,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.58 : 12,367.00 = 3,863.65 : x
  2. Step 2: Convert to fraction form
    8,248.58/12,367.00 = 3,863.65/x
  3. Step 3: Cross multiply
    8,248.58x = 12,367.00 × 3,863.65
  4. Step 4: Simplify right side
    8,248.58x = 47,781,718.97
  5. Step 5: Solve for x
    x = 47,781,718.97/8,248.58
  6. Step 6: Final answer
    x = 5,792.72

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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.