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Finding the Fourth Proportional to 1,791.98, 2,473.11 and 1,006.03

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Solution

The fourth proportional to 1,791.98, 2,473.11 and 1,006.03 is: 1,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.98 : 2,473.11 = 1,006.03 : x
  2. Step 2: Convert to fraction form
    1,791.98/2,473.11 = 1,006.03/x
  3. Step 3: Cross multiply
    1,791.98x = 2,473.11 × 1,006.03
  4. Step 4: Simplify right side
    1,791.98x = 2,488,022.85
  5. Step 5: Solve for x
    x = 2,488,022.85/1,791.98
  6. Step 6: Final answer
    x = 1,388.42

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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.