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Finding the Fourth Proportional to 18,304.10, 27,452.96 and 7,213.88

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Solution

The fourth proportional to 18,304.10, 27,452.96 and 7,213.88 is: 10,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.10 : 27,452.96 = 7,213.88 : x
  2. Step 2: Convert to fraction form
    18,304.10/27,452.96 = 7,213.88/x
  3. Step 3: Cross multiply
    18,304.10x = 27,452.96 × 7,213.88
  4. Step 4: Simplify right side
    18,304.10x = 198,042,418.70
  5. Step 5: Solve for x
    x = 198,042,418.70/18,304.10
  6. Step 6: Final answer
    x = 10,819.57

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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.