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Finding the Fourth Proportional to 960.08, 1,433.54 and 844.88

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Solution

The fourth proportional to 960.08, 1,433.54 and 844.88 is: 1,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.08 : 1,433.54 = 844.88 : x
  2. Step 2: Convert to fraction form
    960.08/1,433.54 = 844.88/x
  3. Step 3: Cross multiply
    960.08x = 1,433.54 × 844.88
  4. Step 4: Simplify right side
    960.08x = 1,211,169.28
  5. Step 5: Solve for x
    x = 1,211,169.28/960.08
  6. Step 6: Final answer
    x = 1,261.53

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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.