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Finding the Fourth Proportional to 8,860.76, 13,282.97 and 3,013.31

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Solution

The fourth proportional to 8,860.76, 13,282.97 and 3,013.31 is: 4,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.76 : 13,282.97 = 3,013.31 : x
  2. Step 2: Convert to fraction form
    8,860.76/13,282.97 = 3,013.31/x
  3. Step 3: Cross multiply
    8,860.76x = 13,282.97 × 3,013.31
  4. Step 4: Simplify right side
    8,860.76x = 40,025,624.85
  5. Step 5: Solve for x
    x = 40,025,624.85/8,860.76
  6. Step 6: Final answer
    x = 4,517.18

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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.