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Finding the Fourth Proportional to 50,356.44, 75,523.86 and 20,766.60

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Solution

The fourth proportional to 50,356.44, 75,523.86 and 20,766.60 is: 31,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,356.44 : 75,523.86 = 20,766.60 : x
  2. Step 2: Convert to fraction form
    50,356.44/75,523.86 = 20,766.60/x
  3. Step 3: Cross multiply
    50,356.44x = 75,523.86 × 20,766.60
  4. Step 4: Simplify right side
    50,356.44x = 1,568,373,791.08
  5. Step 5: Solve for x
    x = 1,568,373,791.08/50,356.44
  6. Step 6: Final answer
    x = 31,145.45

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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.