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Finding the Fourth Proportional to 11,481.28, 17,226 and 4,907.97

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Solution

The fourth proportional to 11,481.28, 17,226 and 4,907.97 is: 7,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.28 : 17,226 = 4,907.97 : x
  2. Step 2: Convert to fraction form
    11,481.28/17,226 = 4,907.97/x
  3. Step 3: Cross multiply
    11,481.28x = 17,226 × 4,907.97
  4. Step 4: Simplify right side
    11,481.28x = 84,544,691.22
  5. Step 5: Solve for x
    x = 84,544,691.22/11,481.28
  6. Step 6: Final answer
    x = 7,363.70

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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.