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Finding the Fourth Proportional to 8,796.24, 12,200.96 and 8,481.04

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Solution

The fourth proportional to 8,796.24, 12,200.96 and 8,481.04 is: 11,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.24 : 12,200.96 = 8,481.04 : x
  2. Step 2: Convert to fraction form
    8,796.24/12,200.96 = 8,481.04/x
  3. Step 3: Cross multiply
    8,796.24x = 12,200.96 × 8,481.04
  4. Step 4: Simplify right side
    8,796.24x = 103,476,829.80
  5. Step 5: Solve for x
    x = 103,476,829.80/8,796.24
  6. Step 6: Final answer
    x = 11,763.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.