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Finding the Fourth Proportional to 3,768.48, 5,650.67 and 2,993.46

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Solution

The fourth proportional to 3,768.48, 5,650.67 and 2,993.46 is: 4,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.48 : 5,650.67 = 2,993.46 : x
  2. Step 2: Convert to fraction form
    3,768.48/5,650.67 = 2,993.46/x
  3. Step 3: Cross multiply
    3,768.48x = 5,650.67 × 2,993.46
  4. Step 4: Simplify right side
    3,768.48x = 16,915,039.65
  5. Step 5: Solve for x
    x = 16,915,039.65/3,768.48
  6. Step 6: Final answer
    x = 4,488.56

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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.