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Finding the Fourth Proportional to 3,741.86, 5,163.52 and 2,063.28

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Solution

The fourth proportional to 3,741.86, 5,163.52 and 2,063.28 is: 2,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.86 : 5,163.52 = 2,063.28 : x
  2. Step 2: Convert to fraction form
    3,741.86/5,163.52 = 2,063.28/x
  3. Step 3: Cross multiply
    3,741.86x = 5,163.52 × 2,063.28
  4. Step 4: Simplify right side
    3,741.86x = 10,653,787.55
  5. Step 5: Solve for x
    x = 10,653,787.55/3,741.86
  6. Step 6: Final answer
    x = 2,847.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.