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Finding the Fourth Proportional to 4,481.71, 6,723.24 and 1,361.32

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Solution

The fourth proportional to 4,481.71, 6,723.24 and 1,361.32 is: 2,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.71 : 6,723.24 = 1,361.32 : x
  2. Step 2: Convert to fraction form
    4,481.71/6,723.24 = 1,361.32/x
  3. Step 3: Cross multiply
    4,481.71x = 6,723.24 × 1,361.32
  4. Step 4: Simplify right side
    4,481.71x = 9,152,481.08
  5. Step 5: Solve for x
    x = 9,152,481.08/4,481.71
  6. Step 6: Final answer
    x = 2,042.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.