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Finding the Fourth Proportional to 2,182.68, 3,274.74 and 796.44

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Solution

The fourth proportional to 2,182.68, 3,274.74 and 796.44 is: 1,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.68 : 3,274.74 = 796.44 : x
  2. Step 2: Convert to fraction form
    2,182.68/3,274.74 = 796.44/x
  3. Step 3: Cross multiply
    2,182.68x = 3,274.74 × 796.44
  4. Step 4: Simplify right side
    2,182.68x = 2,608,133.93
  5. Step 5: Solve for x
    x = 2,608,133.93/2,182.68
  6. Step 6: Final answer
    x = 1,194.92

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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.