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Finding the Fourth Proportional to 3,578.33, 5,361.64 and 3,441.64

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Solution

The fourth proportional to 3,578.33, 5,361.64 and 3,441.64 is: 5,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.33 : 5,361.64 = 3,441.64 : x
  2. Step 2: Convert to fraction form
    3,578.33/5,361.64 = 3,441.64/x
  3. Step 3: Cross multiply
    3,578.33x = 5,361.64 × 3,441.64
  4. Step 4: Simplify right side
    3,578.33x = 18,452,834.69
  5. Step 5: Solve for x
    x = 18,452,834.69/3,578.33
  6. Step 6: Final answer
    x = 5,156.83

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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.