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Finding the Fourth Proportional to 41,692.62, 62,559.99 and 20,914.50

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Solution

The fourth proportional to 41,692.62, 62,559.99 and 20,914.50 is: 31,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,692.62 : 62,559.99 = 20,914.50 : x
  2. Step 2: Convert to fraction form
    41,692.62/62,559.99 = 20,914.50/x
  3. Step 3: Cross multiply
    41,692.62x = 62,559.99 × 20,914.50
  4. Step 4: Simplify right side
    41,692.62x = 1,308,410,910.86
  5. Step 5: Solve for x
    x = 1,308,410,910.86/41,692.62
  6. Step 6: Final answer
    x = 31,382.31

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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.