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Finding the Fourth Proportional to 1,174.52, 1,761.42 and 968.56

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Solution

The fourth proportional to 1,174.52, 1,761.42 and 968.56 is: 1,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.52 : 1,761.42 = 968.56 : x
  2. Step 2: Convert to fraction form
    1,174.52/1,761.42 = 968.56/x
  3. Step 3: Cross multiply
    1,174.52x = 1,761.42 × 968.56
  4. Step 4: Simplify right side
    1,174.52x = 1,706,040.96
  5. Step 5: Solve for x
    x = 1,706,040.96/1,174.52
  6. Step 6: Final answer
    x = 1,452.54

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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.