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Finding the Fourth Proportional to 2,496.60, 3,745.46 and 2,251.80

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Solution

The fourth proportional to 2,496.60, 3,745.46 and 2,251.80 is: 3,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,496.60 : 3,745.46 = 2,251.80 : x
  2. Step 2: Convert to fraction form
    2,496.60/3,745.46 = 2,251.80/x
  3. Step 3: Cross multiply
    2,496.60x = 3,745.46 × 2,251.80
  4. Step 4: Simplify right side
    2,496.60x = 8,434,026.83
  5. Step 5: Solve for x
    x = 8,434,026.83/2,496.60
  6. Step 6: Final answer
    x = 3,378.21

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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.