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Finding the Fourth Proportional to 62,799.73, 94,213.46 and 20,692.80

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Solution

The fourth proportional to 62,799.73, 94,213.46 and 20,692.80 is: 31,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,799.73 : 94,213.46 = 20,692.80 : x
  2. Step 2: Convert to fraction form
    62,799.73/94,213.46 = 20,692.80/x
  3. Step 3: Cross multiply
    62,799.73x = 94,213.46 × 20,692.80
  4. Step 4: Simplify right side
    62,799.73x = 1,949,540,336.82
  5. Step 5: Solve for x
    x = 1,949,540,336.82/62,799.73
  6. Step 6: Final answer
    x = 31,043.77

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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.