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Finding the Fourth Proportional to 50,708.78, 76,086.88 and 22,625.88

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Solution

The fourth proportional to 50,708.78, 76,086.88 and 22,625.88 is: 33,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,708.78 : 76,086.88 = 22,625.88 : x
  2. Step 2: Convert to fraction form
    50,708.78/76,086.88 = 22,625.88/x
  3. Step 3: Cross multiply
    50,708.78x = 76,086.88 × 22,625.88
  4. Step 4: Simplify right side
    50,708.78x = 1,721,532,616.45
  5. Step 5: Solve for x
    x = 1,721,532,616.45/50,708.78
  6. Step 6: Final answer
    x = 33,949.40

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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.