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Finding the Fourth Proportional to 1,836.66, 2,755.46 and 796.42

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Solution

The fourth proportional to 1,836.66, 2,755.46 and 796.42 is: 1,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.66 : 2,755.46 = 796.42 : x
  2. Step 2: Convert to fraction form
    1,836.66/2,755.46 = 796.42/x
  3. Step 3: Cross multiply
    1,836.66x = 2,755.46 × 796.42
  4. Step 4: Simplify right side
    1,836.66x = 2,194,488.91
  5. Step 5: Solve for x
    x = 2,194,488.91/1,836.66
  6. Step 6: Final answer
    x = 1,194.83

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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.