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Finding the Fourth Proportional to 3,843.62, 5,768.84 and 1,996.01

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Solution

The fourth proportional to 3,843.62, 5,768.84 and 1,996.01 is: 2,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.62 : 5,768.84 = 1,996.01 : x
  2. Step 2: Convert to fraction form
    3,843.62/5,768.84 = 1,996.01/x
  3. Step 3: Cross multiply
    3,843.62x = 5,768.84 × 1,996.01
  4. Step 4: Simplify right side
    3,843.62x = 11,514,660.11
  5. Step 5: Solve for x
    x = 11,514,660.11/3,843.62
  6. Step 6: Final answer
    x = 2,995.79

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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.