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Finding the Fourth Proportional to 1,067.05, 1,597.69 and 552.97

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Solution

The fourth proportional to 1,067.05, 1,597.69 and 552.97 is: 827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.05 : 1,597.69 = 552.97 : x
  2. Step 2: Convert to fraction form
    1,067.05/1,597.69 = 552.97/x
  3. Step 3: Cross multiply
    1,067.05x = 1,597.69 × 552.97
  4. Step 4: Simplify right side
    1,067.05x = 883,474.64
  5. Step 5: Solve for x
    x = 883,474.64/1,067.05
  6. Step 6: Final answer
    x = 827.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.