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Finding the Fourth Proportional to 3,960.64, 5,939.32 and 1,495.04

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Solution

The fourth proportional to 3,960.64, 5,939.32 and 1,495.04 is: 2,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.64 : 5,939.32 = 1,495.04 : x
  2. Step 2: Convert to fraction form
    3,960.64/5,939.32 = 1,495.04/x
  3. Step 3: Cross multiply
    3,960.64x = 5,939.32 × 1,495.04
  4. Step 4: Simplify right side
    3,960.64x = 8,879,520.97
  5. Step 5: Solve for x
    x = 8,879,520.97/3,960.64
  6. Step 6: Final answer
    x = 2,241.94

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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.