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Finding the Fourth Proportional to 1,067.52, 1,473.21 and 595.41

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Solution

The fourth proportional to 1,067.52, 1,473.21 and 595.41 is: 821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.52 : 1,473.21 = 595.41 : x
  2. Step 2: Convert to fraction form
    1,067.52/1,473.21 = 595.41/x
  3. Step 3: Cross multiply
    1,067.52x = 1,473.21 × 595.41
  4. Step 4: Simplify right side
    1,067.52x = 877,163.97
  5. Step 5: Solve for x
    x = 877,163.97/1,067.52
  6. Step 6: Final answer
    x = 821.68

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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.