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Finding the Fourth Proportional to 2,786.72, 3,845.76 and 1,544.72

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Solution

The fourth proportional to 2,786.72, 3,845.76 and 1,544.72 is: 2,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.72 : 3,845.76 = 1,544.72 : x
  2. Step 2: Convert to fraction form
    2,786.72/3,845.76 = 1,544.72/x
  3. Step 3: Cross multiply
    2,786.72x = 3,845.76 × 1,544.72
  4. Step 4: Simplify right side
    2,786.72x = 5,940,622.39
  5. Step 5: Solve for x
    x = 5,940,622.39/2,786.72
  6. Step 6: Final answer
    x = 2,131.76

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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.