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Finding the Fourth Proportional to 2,594.72, 3,891.49 and 745.82

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Solution

The fourth proportional to 2,594.72, 3,891.49 and 745.82 is: 1,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.72 : 3,891.49 = 745.82 : x
  2. Step 2: Convert to fraction form
    2,594.72/3,891.49 = 745.82/x
  3. Step 3: Cross multiply
    2,594.72x = 3,891.49 × 745.82
  4. Step 4: Simplify right side
    2,594.72x = 2,902,351.07
  5. Step 5: Solve for x
    x = 2,902,351.07/2,594.72
  6. Step 6: Final answer
    x = 1,118.56

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