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Finding the Fourth Proportional to 3,625.57, 5,436.99 and 1,546.57

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Solution

The fourth proportional to 3,625.57, 5,436.99 and 1,546.57 is: 2,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.57 : 5,436.99 = 1,546.57 : x
  2. Step 2: Convert to fraction form
    3,625.57/5,436.99 = 1,546.57/x
  3. Step 3: Cross multiply
    3,625.57x = 5,436.99 × 1,546.57
  4. Step 4: Simplify right side
    3,625.57x = 8,408,685.62
  5. Step 5: Solve for x
    x = 8,408,685.62/3,625.57
  6. Step 6: Final answer
    x = 2,319.27

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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.