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Finding the Fourth Proportional to 17,930.74, 24,745.62 and 9,974.38

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Solution

The fourth proportional to 17,930.74, 24,745.62 and 9,974.38 is: 13,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.74 : 24,745.62 = 9,974.38 : x
  2. Step 2: Convert to fraction form
    17,930.74/24,745.62 = 9,974.38/x
  3. Step 3: Cross multiply
    17,930.74x = 24,745.62 × 9,974.38
  4. Step 4: Simplify right side
    17,930.74x = 246,822,217.22
  5. Step 5: Solve for x
    x = 246,822,217.22/17,930.74
  6. Step 6: Final answer
    x = 13,765.31

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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.