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Finding the Fourth Proportional to 50,270, 69,373.48 and 27,611.12

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Solution

The fourth proportional to 50,270, 69,373.48 and 27,611.12 is: 38,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,270 : 69,373.48 = 27,611.12 : x
  2. Step 2: Convert to fraction form
    50,270/69,373.48 = 27,611.12/x
  3. Step 3: Cross multiply
    50,270x = 69,373.48 × 27,611.12
  4. Step 4: Simplify right side
    50,270x = 1,915,479,481.10
  5. Step 5: Solve for x
    x = 1,915,479,481.10/50,270
  6. Step 6: Final answer
    x = 38,103.83

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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.