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Finding the Fourth Proportional to 1,067.18, 1,600.92 and 573.84

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Solution

The fourth proportional to 1,067.18, 1,600.92 and 573.84 is: 860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.18 : 1,600.92 = 573.84 : x
  2. Step 2: Convert to fraction form
    1,067.18/1,600.92 = 573.84/x
  3. Step 3: Cross multiply
    1,067.18x = 1,600.92 × 573.84
  4. Step 4: Simplify right side
    1,067.18x = 918,671.93
  5. Step 5: Solve for x
    x = 918,671.93/1,067.18
  6. Step 6: Final answer
    x = 860.84

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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.