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Finding the Fourth Proportional to 6,361.43, 9,542.73 and 2,664.78

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Solution

The fourth proportional to 6,361.43, 9,542.73 and 2,664.78 is: 3,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.43 : 9,542.73 = 2,664.78 : x
  2. Step 2: Convert to fraction form
    6,361.43/9,542.73 = 2,664.78/x
  3. Step 3: Cross multiply
    6,361.43x = 9,542.73 × 2,664.78
  4. Step 4: Simplify right side
    6,361.43x = 25,429,276.05
  5. Step 5: Solve for x
    x = 25,429,276.05/6,361.43
  6. Step 6: Final answer
    x = 3,997.42

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1.5x scale

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.