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Finding the Fourth Proportional to 3,740.56, 5,161.98 and 2,061.92

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Solution

The fourth proportional to 3,740.56, 5,161.98 and 2,061.92 is: 2,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.56 : 5,161.98 = 2,061.92 : x
  2. Step 2: Convert to fraction form
    3,740.56/5,161.98 = 2,061.92/x
  3. Step 3: Cross multiply
    3,740.56x = 5,161.98 × 2,061.92
  4. Step 4: Simplify right side
    3,740.56x = 10,643,589.80
  5. Step 5: Solve for x
    x = 10,643,589.80/3,740.56
  6. Step 6: Final answer
    x = 2,845.45

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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.