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Finding the Fourth Proportional to 2,162.85, 3,244.74 and 701.97

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Solution

The fourth proportional to 2,162.85, 3,244.74 and 701.97 is: 1,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.85 : 3,244.74 = 701.97 : x
  2. Step 2: Convert to fraction form
    2,162.85/3,244.74 = 701.97/x
  3. Step 3: Cross multiply
    2,162.85x = 3,244.74 × 701.97
  4. Step 4: Simplify right side
    2,162.85x = 2,277,710.14
  5. Step 5: Solve for x
    x = 2,277,710.14/2,162.85
  6. Step 6: Final answer
    x = 1,053.11

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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.