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Finding the Fourth Proportional to 18,450.67, 25,462.22 and 10,067.17

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Solution

The fourth proportional to 18,450.67, 25,462.22 and 10,067.17 is: 13,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.67 : 25,462.22 = 10,067.17 : x
  2. Step 2: Convert to fraction form
    18,450.67/25,462.22 = 10,067.17/x
  3. Step 3: Cross multiply
    18,450.67x = 25,462.22 × 10,067.17
  4. Step 4: Simplify right side
    18,450.67x = 256,332,383.33
  5. Step 5: Solve for x
    x = 256,332,383.33/18,450.67
  6. Step 6: Final answer
    x = 13,892.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.