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Finding the Fourth Proportional to 1,067.99, 1,609.27 and 950.13

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Solution

The fourth proportional to 1,067.99, 1,609.27 and 950.13 is: 1,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.99 : 1,609.27 = 950.13 : x
  2. Step 2: Convert to fraction form
    1,067.99/1,609.27 = 950.13/x
  3. Step 3: Cross multiply
    1,067.99x = 1,609.27 × 950.13
  4. Step 4: Simplify right side
    1,067.99x = 1,529,013.33
  5. Step 5: Solve for x
    x = 1,529,013.33/1,067.99
  6. Step 6: Final answer
    x = 1,431.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.