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Finding the Fourth Proportional to 1,796.73, 2,691.36 and 1,180.73

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Solution

The fourth proportional to 1,796.73, 2,691.36 and 1,180.73 is: 1,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.73 : 2,691.36 = 1,180.73 : x
  2. Step 2: Convert to fraction form
    1,796.73/2,691.36 = 1,180.73/x
  3. Step 3: Cross multiply
    1,796.73x = 2,691.36 × 1,180.73
  4. Step 4: Simplify right side
    1,796.73x = 3,177,769.49
  5. Step 5: Solve for x
    x = 3,177,769.49/1,796.73
  6. Step 6: Final answer
    x = 1,768.64

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1.5x scale

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.