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Finding the Fourth Proportional to 50,395.62, 75,537.84 and 20,797.22

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Solution

The fourth proportional to 50,395.62, 75,537.84 and 20,797.22 is: 31,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,395.62 : 75,537.84 = 20,797.22 : x
  2. Step 2: Convert to fraction form
    50,395.62/75,537.84 = 20,797.22/x
  3. Step 3: Cross multiply
    50,395.62x = 75,537.84 × 20,797.22
  4. Step 4: Simplify right side
    50,395.62x = 1,570,977,076.80
  5. Step 5: Solve for x
    x = 1,570,977,076.80/50,395.62
  6. Step 6: Final answer
    x = 31,172.89

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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.