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Finding the Fourth Proportional to 2,908.23, 4,362.44 and 960.59

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Solution

The fourth proportional to 2,908.23, 4,362.44 and 960.59 is: 1,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.23 : 4,362.44 = 960.59 : x
  2. Step 2: Convert to fraction form
    2,908.23/4,362.44 = 960.59/x
  3. Step 3: Cross multiply
    2,908.23x = 4,362.44 × 960.59
  4. Step 4: Simplify right side
    2,908.23x = 4,190,489.62
  5. Step 5: Solve for x
    x = 4,190,489.62/2,908.23
  6. Step 6: Final answer
    x = 1,440.91

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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.