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Finding the Fourth Proportional to 1,163.17, 1,604.03 and 1,067.13

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Solution

The fourth proportional to 1,163.17, 1,604.03 and 1,067.13 is: 1,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.17 : 1,604.03 = 1,067.13 : x
  2. Step 2: Convert to fraction form
    1,163.17/1,604.03 = 1,067.13/x
  3. Step 3: Cross multiply
    1,163.17x = 1,604.03 × 1,067.13
  4. Step 4: Simplify right side
    1,163.17x = 1,711,695.18
  5. Step 5: Solve for x
    x = 1,711,695.18/1,163.17
  6. Step 6: Final answer
    x = 1,471.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.