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Finding the Fourth Proportional to 2,591.82, 3,884.27 and 946.82

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Solution

The fourth proportional to 2,591.82, 3,884.27 and 946.82 is: 1,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.82 : 3,884.27 = 946.82 : x
  2. Step 2: Convert to fraction form
    2,591.82/3,884.27 = 946.82/x
  3. Step 3: Cross multiply
    2,591.82x = 3,884.27 × 946.82
  4. Step 4: Simplify right side
    2,591.82x = 3,677,704.52
  5. Step 5: Solve for x
    x = 3,677,704.52/2,591.82
  6. Step 6: Final answer
    x = 1,418.97

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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.