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Finding the Fourth Proportional to 3,803.64, 5,704.66 and 1,067

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Solution

The fourth proportional to 3,803.64, 5,704.66 and 1,067 is: 1,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.64 : 5,704.66 = 1,067 : x
  2. Step 2: Convert to fraction form
    3,803.64/5,704.66 = 1,067/x
  3. Step 3: Cross multiply
    3,803.64x = 5,704.66 × 1,067
  4. Step 4: Simplify right side
    3,803.64x = 6,086,872.22
  5. Step 5: Solve for x
    x = 6,086,872.22/3,803.64
  6. Step 6: Final answer
    x = 1,600.28

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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.