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Finding the Fourth Proportional to 8,895.12, 13,344.84 and 2,654.88

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Solution

The fourth proportional to 8,895.12, 13,344.84 and 2,654.88 is: 3,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.12 : 13,344.84 = 2,654.88 : x
  2. Step 2: Convert to fraction form
    8,895.12/13,344.84 = 2,654.88/x
  3. Step 3: Cross multiply
    8,895.12x = 13,344.84 × 2,654.88
  4. Step 4: Simplify right side
    8,895.12x = 35,428,948.82
  5. Step 5: Solve for x
    x = 35,428,948.82/8,895.12
  6. Step 6: Final answer
    x = 3,982.96

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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.