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Finding the Fourth Proportional to 11,482.56, 17,218.44 and 3,691.44

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Solution

The fourth proportional to 11,482.56, 17,218.44 and 3,691.44 is: 5,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.56 : 17,218.44 = 3,691.44 : x
  2. Step 2: Convert to fraction form
    11,482.56/17,218.44 = 3,691.44/x
  3. Step 3: Cross multiply
    11,482.56x = 17,218.44 × 3,691.44
  4. Step 4: Simplify right side
    11,482.56x = 63,560,838.15
  5. Step 5: Solve for x
    x = 63,560,838.15/11,482.56
  6. Step 6: Final answer
    x = 5,535.42

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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.