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Finding the Fourth Proportional to 1,996.38, 2,757.52 and 1,682.69

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Solution

The fourth proportional to 1,996.38, 2,757.52 and 1,682.69 is: 2,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.38 : 2,757.52 = 1,682.69 : x
  2. Step 2: Convert to fraction form
    1,996.38/2,757.52 = 1,682.69/x
  3. Step 3: Cross multiply
    1,996.38x = 2,757.52 × 1,682.69
  4. Step 4: Simplify right side
    1,996.38x = 4,640,051.33
  5. Step 5: Solve for x
    x = 4,640,051.33/1,996.38
  6. Step 6: Final answer
    x = 2,324.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.