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Finding the Fourth Proportional to 1,201.44, 1,649.04 and 1,067.52

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Solution

The fourth proportional to 1,201.44, 1,649.04 and 1,067.52 is: 1,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.44 : 1,649.04 = 1,067.52 : x
  2. Step 2: Convert to fraction form
    1,201.44/1,649.04 = 1,067.52/x
  3. Step 3: Cross multiply
    1,201.44x = 1,649.04 × 1,067.52
  4. Step 4: Simplify right side
    1,201.44x = 1,760,383.18
  5. Step 5: Solve for x
    x = 1,760,383.18/1,201.44
  6. Step 6: Final answer
    x = 1,465.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.