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Finding the Fourth Proportional to 960.11, 1,324.92 and 567.13

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Solution

The fourth proportional to 960.11, 1,324.92 and 567.13 is: 782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.11 : 1,324.92 = 567.13 : x
  2. Step 2: Convert to fraction form
    960.11/1,324.92 = 567.13/x
  3. Step 3: Cross multiply
    960.11x = 1,324.92 × 567.13
  4. Step 4: Simplify right side
    960.11x = 751,395.26
  5. Step 5: Solve for x
    x = 751,395.26/960.11
  6. Step 6: Final answer
    x = 782.61

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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.