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Finding the Fourth Proportional to 3,846.72, 5,768.64 and 3,034.56

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Solution

The fourth proportional to 3,846.72, 5,768.64 and 3,034.56 is: 4,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.72 : 5,768.64 = 3,034.56 : x
  2. Step 2: Convert to fraction form
    3,846.72/5,768.64 = 3,034.56/x
  3. Step 3: Cross multiply
    3,846.72x = 5,768.64 × 3,034.56
  4. Step 4: Simplify right side
    3,846.72x = 17,505,284.20
  5. Step 5: Solve for x
    x = 17,505,284.20/3,846.72
  6. Step 6: Final answer
    x = 4,550.70

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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.