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Finding the Fourth Proportional to 2,249.62, 3,372.12 and 1,017.91

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Solution

The fourth proportional to 2,249.62, 3,372.12 and 1,017.91 is: 1,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.62 : 3,372.12 = 1,017.91 : x
  2. Step 2: Convert to fraction form
    2,249.62/3,372.12 = 1,017.91/x
  3. Step 3: Cross multiply
    2,249.62x = 3,372.12 × 1,017.91
  4. Step 4: Simplify right side
    2,249.62x = 3,432,514.67
  5. Step 5: Solve for x
    x = 3,432,514.67/2,249.62
  6. Step 6: Final answer
    x = 1,525.82

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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.