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Finding the Fourth Proportional to 2,162.46, 3,244.09 and 701.42

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Solution

The fourth proportional to 2,162.46, 3,244.09 and 701.42 is: 1,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.46 : 3,244.09 = 701.42 : x
  2. Step 2: Convert to fraction form
    2,162.46/3,244.09 = 701.42/x
  3. Step 3: Cross multiply
    2,162.46x = 3,244.09 × 701.42
  4. Step 4: Simplify right side
    2,162.46x = 2,275,469.61
  5. Step 5: Solve for x
    x = 2,275,469.61/2,162.46
  6. Step 6: Final answer
    x = 1,052.26

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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.