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Finding the Fourth Proportional to 5,471.01, 7,548.12 and 3,112.56

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Solution

The fourth proportional to 5,471.01, 7,548.12 and 3,112.56 is: 4,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.01 : 7,548.12 = 3,112.56 : x
  2. Step 2: Convert to fraction form
    5,471.01/7,548.12 = 3,112.56/x
  3. Step 3: Cross multiply
    5,471.01x = 7,548.12 × 3,112.56
  4. Step 4: Simplify right side
    5,471.01x = 23,493,976.39
  5. Step 5: Solve for x
    x = 23,493,976.39/5,471.01
  6. Step 6: Final answer
    x = 4,294.27

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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.