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Finding the Fourth Proportional to 18,344.62, 27,517.02 and 4,493.62

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Solution

The fourth proportional to 18,344.62, 27,517.02 and 4,493.62 is: 6,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.62 : 27,517.02 = 4,493.62 : x
  2. Step 2: Convert to fraction form
    18,344.62/27,517.02 = 4,493.62/x
  3. Step 3: Cross multiply
    18,344.62x = 27,517.02 × 4,493.62
  4. Step 4: Simplify right side
    18,344.62x = 123,651,031.41
  5. Step 5: Solve for x
    x = 123,651,031.41/18,344.62
  6. Step 6: Final answer
    x = 6,740.45

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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.