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Finding the Fourth Proportional to 966.52, 1,333.72 and 552.52

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Solution

The fourth proportional to 966.52, 1,333.72 and 552.52 is: 762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.52 : 1,333.72 = 552.52 : x
  2. Step 2: Convert to fraction form
    966.52/1,333.72 = 552.52/x
  3. Step 3: Cross multiply
    966.52x = 1,333.72 × 552.52
  4. Step 4: Simplify right side
    966.52x = 736,906.97
  5. Step 5: Solve for x
    x = 736,906.97/966.52
  6. Step 6: Final answer
    x = 762.43

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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.