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Finding the Fourth Proportional to 3,365.87, 4,644.07 and 1,968.62

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Solution

The fourth proportional to 3,365.87, 4,644.07 and 1,968.62 is: 2,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.87 : 4,644.07 = 1,968.62 : x
  2. Step 2: Convert to fraction form
    3,365.87/4,644.07 = 1,968.62/x
  3. Step 3: Cross multiply
    3,365.87x = 4,644.07 × 1,968.62
  4. Step 4: Simplify right side
    3,365.87x = 9,142,380.94
  5. Step 5: Solve for x
    x = 9,142,380.94/3,365.87
  6. Step 6: Final answer
    x = 2,716.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.