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Finding the Fourth Proportional to 8,876.58, 12,251.15 and 6,759.10

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Solution

The fourth proportional to 8,876.58, 12,251.15 and 6,759.10 is: 9,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.58 : 12,251.15 = 6,759.10 : x
  2. Step 2: Convert to fraction form
    8,876.58/12,251.15 = 6,759.10/x
  3. Step 3: Cross multiply
    8,876.58x = 12,251.15 × 6,759.10
  4. Step 4: Simplify right side
    8,876.58x = 82,806,747.97
  5. Step 5: Solve for x
    x = 82,806,747.97/8,876.58
  6. Step 6: Final answer
    x = 9,328.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.