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Finding the Fourth Proportional to 1,446.86, 2,168.37 and 960.26

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Solution

The fourth proportional to 1,446.86, 2,168.37 and 960.26 is: 1,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.86 : 2,168.37 = 960.26 : x
  2. Step 2: Convert to fraction form
    1,446.86/2,168.37 = 960.26/x
  3. Step 3: Cross multiply
    1,446.86x = 2,168.37 × 960.26
  4. Step 4: Simplify right side
    1,446.86x = 2,082,188.13
  5. Step 5: Solve for x
    x = 2,082,188.13/1,446.86
  6. Step 6: Final answer
    x = 1,439.11

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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.