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Finding the Fourth Proportional to 8,710.68, 13,067.94 and 2,867.04

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Solution

The fourth proportional to 8,710.68, 13,067.94 and 2,867.04 is: 4,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.68 : 13,067.94 = 2,867.04 : x
  2. Step 2: Convert to fraction form
    8,710.68/13,067.94 = 2,867.04/x
  3. Step 3: Cross multiply
    8,710.68x = 13,067.94 × 2,867.04
  4. Step 4: Simplify right side
    8,710.68x = 37,466,306.70
  5. Step 5: Solve for x
    x = 37,466,306.70/8,710.68
  6. Step 6: Final answer
    x = 4,301.19

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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.