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Finding the Fourth Proportional to 2,960.62, 4,441.37 and 985.60

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Solution

The fourth proportional to 2,960.62, 4,441.37 and 985.60 is: 1,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.62 : 4,441.37 = 985.60 : x
  2. Step 2: Convert to fraction form
    2,960.62/4,441.37 = 985.60/x
  3. Step 3: Cross multiply
    2,960.62x = 4,441.37 × 985.60
  4. Step 4: Simplify right side
    2,960.62x = 4,377,414.90
  5. Step 5: Solve for x
    x = 4,377,414.90/2,960.62
  6. Step 6: Final answer
    x = 1,478.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.