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Finding the Fourth Proportional to 2,748.56, 3,785.41 and 2,375.42

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Solution

The fourth proportional to 2,748.56, 3,785.41 and 2,375.42 is: 3,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.56 : 3,785.41 = 2,375.42 : x
  2. Step 2: Convert to fraction form
    2,748.56/3,785.41 = 2,375.42/x
  3. Step 3: Cross multiply
    2,748.56x = 3,785.41 × 2,375.42
  4. Step 4: Simplify right side
    2,748.56x = 8,991,938.62
  5. Step 5: Solve for x
    x = 8,991,938.62/2,748.56
  6. Step 6: Final answer
    x = 3,271.51

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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.