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Finding the Fourth Proportional to 3,734.56, 5,152.74 and 2,162.56

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Solution

The fourth proportional to 3,734.56, 5,152.74 and 2,162.56 is: 2,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.56 : 5,152.74 = 2,162.56 : x
  2. Step 2: Convert to fraction form
    3,734.56/5,152.74 = 2,162.56/x
  3. Step 3: Cross multiply
    3,734.56x = 5,152.74 × 2,162.56
  4. Step 4: Simplify right side
    3,734.56x = 11,143,109.41
  5. Step 5: Solve for x
    x = 11,143,109.41/3,734.56
  6. Step 6: Final answer
    x = 2,983.78

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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.