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Finding the Fourth Proportional to 18,250.47, 27,375.71 and 4,399.47

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Solution

The fourth proportional to 18,250.47, 27,375.71 and 4,399.47 is: 6,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.47 : 27,375.71 = 4,399.47 : x
  2. Step 2: Convert to fraction form
    18,250.47/27,375.71 = 4,399.47/x
  3. Step 3: Cross multiply
    18,250.47x = 27,375.71 × 4,399.47
  4. Step 4: Simplify right side
    18,250.47x = 120,438,592.88
  5. Step 5: Solve for x
    x = 120,438,592.88/18,250.47
  6. Step 6: Final answer
    x = 6,599.21

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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.