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Finding the Fourth Proportional to 951.58, 1,311.96 and 794.44

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Solution

The fourth proportional to 951.58, 1,311.96 and 794.44 is: 1,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.58 : 1,311.96 = 794.44 : x
  2. Step 2: Convert to fraction form
    951.58/1,311.96 = 794.44/x
  3. Step 3: Cross multiply
    951.58x = 1,311.96 × 794.44
  4. Step 4: Simplify right side
    951.58x = 1,042,273.50
  5. Step 5: Solve for x
    x = 1,042,273.50/951.58
  6. Step 6: Final answer
    x = 1,095.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.