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Finding the Fourth Proportional to 1,092.54, 1,631.15 and 960.29

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Solution

The fourth proportional to 1,092.54, 1,631.15 and 960.29 is: 1,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.54 : 1,631.15 = 960.29 : x
  2. Step 2: Convert to fraction form
    1,092.54/1,631.15 = 960.29/x
  3. Step 3: Cross multiply
    1,092.54x = 1,631.15 × 960.29
  4. Step 4: Simplify right side
    1,092.54x = 1,566,377.03
  5. Step 5: Solve for x
    x = 1,566,377.03/1,092.54
  6. Step 6: Final answer
    x = 1,433.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.