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Finding the Fourth Proportional to 4,481.85, 6,723.06 and 1,362.09

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Solution

The fourth proportional to 4,481.85, 6,723.06 and 1,362.09 is: 2,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.85 : 6,723.06 = 1,362.09 : x
  2. Step 2: Convert to fraction form
    4,481.85/6,723.06 = 1,362.09/x
  3. Step 3: Cross multiply
    4,481.85x = 6,723.06 × 1,362.09
  4. Step 4: Simplify right side
    4,481.85x = 9,157,419.26
  5. Step 5: Solve for x
    x = 9,157,419.26/4,481.85
  6. Step 6: Final answer
    x = 2,043.22

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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.