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Finding the Fourth Proportional to 18,250.48, 27,375.72 and 4,399.48

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Solution

The fourth proportional to 18,250.48, 27,375.72 and 4,399.48 is: 6,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.48 : 27,375.72 = 4,399.48 : x
  2. Step 2: Convert to fraction form
    18,250.48/27,375.72 = 4,399.48/x
  3. Step 3: Cross multiply
    18,250.48x = 27,375.72 × 4,399.48
  4. Step 4: Simplify right side
    18,250.48x = 120,438,932.63
  5. Step 5: Solve for x
    x = 120,438,932.63/18,250.48
  6. Step 6: Final answer
    x = 6,599.22

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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.