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Finding the Fourth Proportional to 2,751.56, 3,796.22 and 1,571.79

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Solution

The fourth proportional to 2,751.56, 3,796.22 and 1,571.79 is: 2,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.56 : 3,796.22 = 1,571.79 : x
  2. Step 2: Convert to fraction form
    2,751.56/3,796.22 = 1,571.79/x
  3. Step 3: Cross multiply
    2,751.56x = 3,796.22 × 1,571.79
  4. Step 4: Simplify right side
    2,751.56x = 5,966,864.56
  5. Step 5: Solve for x
    x = 5,966,864.56/2,751.56
  6. Step 6: Final answer
    x = 2,168.54

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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.