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Finding the Fourth Proportional to 2,001.11, 3,001.86 and 702.27

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Solution

The fourth proportional to 2,001.11, 3,001.86 and 702.27 is: 1,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.11 : 3,001.86 = 702.27 : x
  2. Step 2: Convert to fraction form
    2,001.11/3,001.86 = 702.27/x
  3. Step 3: Cross multiply
    2,001.11x = 3,001.86 × 702.27
  4. Step 4: Simplify right side
    2,001.11x = 2,108,116.22
  5. Step 5: Solve for x
    x = 2,108,116.22/2,001.11
  6. Step 6: Final answer
    x = 1,053.48

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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.