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Finding the Fourth Proportional to 23,286.44, 34,918.94 and 7,488.54

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Solution

The fourth proportional to 23,286.44, 34,918.94 and 7,488.54 is: 11,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,286.44 : 34,918.94 = 7,488.54 : x
  2. Step 2: Convert to fraction form
    23,286.44/34,918.94 = 7,488.54/x
  3. Step 3: Cross multiply
    23,286.44x = 34,918.94 × 7,488.54
  4. Step 4: Simplify right side
    23,286.44x = 261,491,841.50
  5. Step 5: Solve for x
    x = 261,491,841.50/23,286.44
  6. Step 6: Final answer
    x = 11,229.36

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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.