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Finding the Fourth Proportional to 951.68, 1,306.32 and 844.43

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Solution

The fourth proportional to 951.68, 1,306.32 and 844.43 is: 1,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.68 : 1,306.32 = 844.43 : x
  2. Step 2: Convert to fraction form
    951.68/1,306.32 = 844.43/x
  3. Step 3: Cross multiply
    951.68x = 1,306.32 × 844.43
  4. Step 4: Simplify right side
    951.68x = 1,103,089.27
  5. Step 5: Solve for x
    x = 1,103,089.27/951.68
  6. Step 6: Final answer
    x = 1,159.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.