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Finding the Fourth Proportional to 18,344.68, 27,500.28 and 6,655.30

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Solution

The fourth proportional to 18,344.68, 27,500.28 and 6,655.30 is: 9,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.68 : 27,500.28 = 6,655.30 : x
  2. Step 2: Convert to fraction form
    18,344.68/27,500.28 = 6,655.30/x
  3. Step 3: Cross multiply
    18,344.68x = 27,500.28 × 6,655.30
  4. Step 4: Simplify right side
    18,344.68x = 183,022,613.48
  5. Step 5: Solve for x
    x = 183,022,613.48/18,344.68
  6. Step 6: Final answer
    x = 9,976.88

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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.