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Finding the Fourth Proportional to 3,481.81, 5,223.24 and 1,016.80

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Solution

The fourth proportional to 3,481.81, 5,223.24 and 1,016.80 is: 1,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.81 : 5,223.24 = 1,016.80 : x
  2. Step 2: Convert to fraction form
    3,481.81/5,223.24 = 1,016.80/x
  3. Step 3: Cross multiply
    3,481.81x = 5,223.24 × 1,016.80
  4. Step 4: Simplify right side
    3,481.81x = 5,310,990.43
  5. Step 5: Solve for x
    x = 5,310,990.43/3,481.81
  6. Step 6: Final answer
    x = 1,525.35

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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.