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Finding the Fourth Proportional to 1,555.96, 2,333.94 and 1,067.53

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Solution

The fourth proportional to 1,555.96, 2,333.94 and 1,067.53 is: 1,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.96 : 2,333.94 = 1,067.53 : x
  2. Step 2: Convert to fraction form
    1,555.96/2,333.94 = 1,067.53/x
  3. Step 3: Cross multiply
    1,555.96x = 2,333.94 × 1,067.53
  4. Step 4: Simplify right side
    1,555.96x = 2,491,545.13
  5. Step 5: Solve for x
    x = 2,491,545.13/1,555.96
  6. Step 6: Final answer
    x = 1,601.29

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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.