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Finding the Fourth Proportional to 8,805.97, 13,209.43 and 2,232.21

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Solution

The fourth proportional to 8,805.97, 13,209.43 and 2,232.21 is: 3,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.97 : 13,209.43 = 2,232.21 : x
  2. Step 2: Convert to fraction form
    8,805.97/13,209.43 = 2,232.21/x
  3. Step 3: Cross multiply
    8,805.97x = 13,209.43 × 2,232.21
  4. Step 4: Simplify right side
    8,805.97x = 29,486,221.74
  5. Step 5: Solve for x
    x = 29,486,221.74/8,805.97
  6. Step 6: Final answer
    x = 3,348.44

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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.