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Finding the Fourth Proportional to 2,773.74, 4,159.74 and 799.23

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Solution

The fourth proportional to 2,773.74, 4,159.74 and 799.23 is: 1,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.74 : 4,159.74 = 799.23 : x
  2. Step 2: Convert to fraction form
    2,773.74/4,159.74 = 799.23/x
  3. Step 3: Cross multiply
    2,773.74x = 4,159.74 × 799.23
  4. Step 4: Simplify right side
    2,773.74x = 3,324,589.00
  5. Step 5: Solve for x
    x = 3,324,589.00/2,773.74
  6. Step 6: Final answer
    x = 1,198.59

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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.