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Finding the Fourth Proportional to 1,481.69, 2,044.39 and 984.61

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Solution

The fourth proportional to 1,481.69, 2,044.39 and 984.61 is: 1,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.69 : 2,044.39 = 984.61 : x
  2. Step 2: Convert to fraction form
    1,481.69/2,044.39 = 984.61/x
  3. Step 3: Cross multiply
    1,481.69x = 2,044.39 × 984.61
  4. Step 4: Simplify right side
    1,481.69x = 2,012,917.28
  5. Step 5: Solve for x
    x = 2,012,917.28/1,481.69
  6. Step 6: Final answer
    x = 1,358.53

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