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Finding the Fourth Proportional to 8,843.96, 13,265.89 and 2,687.96

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Solution

The fourth proportional to 8,843.96, 13,265.89 and 2,687.96 is: 4,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.96 : 13,265.89 = 2,687.96 : x
  2. Step 2: Convert to fraction form
    8,843.96/13,265.89 = 2,687.96/x
  3. Step 3: Cross multiply
    8,843.96x = 13,265.89 × 2,687.96
  4. Step 4: Simplify right side
    8,843.96x = 35,658,181.68
  5. Step 5: Solve for x
    x = 35,658,181.68/8,843.96
  6. Step 6: Final answer
    x = 4,031.92

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1.5x scale

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.