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Finding the Fourth Proportional to 2,651.87, 3,974.27 and 1,482.23

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Solution

The fourth proportional to 2,651.87, 3,974.27 and 1,482.23 is: 2,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.87 : 3,974.27 = 1,482.23 : x
  2. Step 2: Convert to fraction form
    2,651.87/3,974.27 = 1,482.23/x
  3. Step 3: Cross multiply
    2,651.87x = 3,974.27 × 1,482.23
  4. Step 4: Simplify right side
    2,651.87x = 5,890,784.75
  5. Step 5: Solve for x
    x = 5,890,784.75/2,651.87
  6. Step 6: Final answer
    x = 2,221.37

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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.