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Finding the Fourth Proportional to 3,361.70, 5,037.83 and 2,865.54

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Solution

The fourth proportional to 3,361.70, 5,037.83 and 2,865.54 is: 4,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.70 : 5,037.83 = 2,865.54 : x
  2. Step 2: Convert to fraction form
    3,361.70/5,037.83 = 2,865.54/x
  3. Step 3: Cross multiply
    3,361.70x = 5,037.83 × 2,865.54
  4. Step 4: Simplify right side
    3,361.70x = 14,436,118.69
  5. Step 5: Solve for x
    x = 14,436,118.69/3,361.70
  6. Step 6: Final answer
    x = 4,294.29

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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.