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Finding the Fourth Proportional to 951.84, 1,426.14 and 757.44

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Solution

The fourth proportional to 951.84, 1,426.14 and 757.44 is: 1,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.84 : 1,426.14 = 757.44 : x
  2. Step 2: Convert to fraction form
    951.84/1,426.14 = 757.44/x
  3. Step 3: Cross multiply
    951.84x = 1,426.14 × 757.44
  4. Step 4: Simplify right side
    951.84x = 1,080,215.48
  5. Step 5: Solve for x
    x = 1,080,215.48/951.84
  6. Step 6: Final answer
    x = 1,134.87

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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.