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Finding the Fourth Proportional to 962.44, 1,442.26 and 757.41

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Solution

The fourth proportional to 962.44, 1,442.26 and 757.41 is: 1,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.44 : 1,442.26 = 757.41 : x
  2. Step 2: Convert to fraction form
    962.44/1,442.26 = 757.41/x
  3. Step 3: Cross multiply
    962.44x = 1,442.26 × 757.41
  4. Step 4: Simplify right side
    962.44x = 1,092,382.15
  5. Step 5: Solve for x
    x = 1,092,382.15/962.44
  6. Step 6: Final answer
    x = 1,135.01

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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.