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Finding the Fourth Proportional to 51,761.69, 77,611.17 and 33,763.37

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Solution

The fourth proportional to 51,761.69, 77,611.17 and 33,763.37 is: 50,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.69 : 77,611.17 = 33,763.37 : x
  2. Step 2: Convert to fraction form
    51,761.69/77,611.17 = 33,763.37/x
  3. Step 3: Cross multiply
    51,761.69x = 77,611.17 × 33,763.37
  4. Step 4: Simplify right side
    51,761.69x = 2,620,414,091.97
  5. Step 5: Solve for x
    x = 2,620,414,091.97/51,761.69
  6. Step 6: Final answer
    x = 50,624.59

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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.