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Finding the Fourth Proportional to 50,815.88, 76,223.13 and 15,755.54

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Solution

The fourth proportional to 50,815.88, 76,223.13 and 15,755.54 is: 23,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.88 : 76,223.13 = 15,755.54 : x
  2. Step 2: Convert to fraction form
    50,815.88/76,223.13 = 15,755.54/x
  3. Step 3: Cross multiply
    50,815.88x = 76,223.13 × 15,755.54
  4. Step 4: Simplify right side
    50,815.88x = 1,200,936,133.44
  5. Step 5: Solve for x
    x = 1,200,936,133.44/50,815.88
  6. Step 6: Final answer
    x = 23,633.09

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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.