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Finding the Fourth Proportional to 3,291.69, 4,542.67 and 1,894.44

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Solution

The fourth proportional to 3,291.69, 4,542.67 and 1,894.44 is: 2,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.69 : 4,542.67 = 1,894.44 : x
  2. Step 2: Convert to fraction form
    3,291.69/4,542.67 = 1,894.44/x
  3. Step 3: Cross multiply
    3,291.69x = 4,542.67 × 1,894.44
  4. Step 4: Simplify right side
    3,291.69x = 8,605,815.75
  5. Step 5: Solve for x
    x = 8,605,815.75/3,291.69
  6. Step 6: Final answer
    x = 2,614.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.