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Finding the Fourth Proportional to 951.62, 1,427.67 and 844.10

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Solution

The fourth proportional to 951.62, 1,427.67 and 844.10 is: 1,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.62 : 1,427.67 = 844.10 : x
  2. Step 2: Convert to fraction form
    951.62/1,427.67 = 844.10/x
  3. Step 3: Cross multiply
    951.62x = 1,427.67 × 844.10
  4. Step 4: Simplify right side
    951.62x = 1,205,096.25
  5. Step 5: Solve for x
    x = 1,205,096.25/951.62
  6. Step 6: Final answer
    x = 1,266.36

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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.