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Finding the Fourth Proportional to 1,773.97, 2,660.96 and 798.94

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Solution

The fourth proportional to 1,773.97, 2,660.96 and 798.94 is: 1,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.97 : 2,660.96 = 798.94 : x
  2. Step 2: Convert to fraction form
    1,773.97/2,660.96 = 798.94/x
  3. Step 3: Cross multiply
    1,773.97x = 2,660.96 × 798.94
  4. Step 4: Simplify right side
    1,773.97x = 2,125,947.38
  5. Step 5: Solve for x
    x = 2,125,947.38/1,773.97
  6. Step 6: Final answer
    x = 1,198.41

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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.