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Finding the Fourth Proportional to 3,381.75, 5,073.44 and 1,073.25

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Solution

The fourth proportional to 3,381.75, 5,073.44 and 1,073.25 is: 1,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.75 : 5,073.44 = 1,073.25 : x
  2. Step 2: Convert to fraction form
    3,381.75/5,073.44 = 1,073.25/x
  3. Step 3: Cross multiply
    3,381.75x = 5,073.44 × 1,073.25
  4. Step 4: Simplify right side
    3,381.75x = 5,445,064.11
  5. Step 5: Solve for x
    x = 5,445,064.11/3,381.75
  6. Step 6: Final answer
    x = 1,610.13

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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.