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Finding the Fourth Proportional to 1,204.65, 1,799.37 and 960.48

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Solution

The fourth proportional to 1,204.65, 1,799.37 and 960.48 is: 1,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.65 : 1,799.37 = 960.48 : x
  2. Step 2: Convert to fraction form
    1,204.65/1,799.37 = 960.48/x
  3. Step 3: Cross multiply
    1,204.65x = 1,799.37 × 960.48
  4. Step 4: Simplify right side
    1,204.65x = 1,728,258.90
  5. Step 5: Solve for x
    x = 1,728,258.90/1,204.65
  6. Step 6: Final answer
    x = 1,434.66

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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.