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Finding the Fourth Proportional to 39,692.96, 59,524.44 and 15,992.47

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Solution

The fourth proportional to 39,692.96, 59,524.44 and 15,992.47 is: 23,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,692.96 : 59,524.44 = 15,992.47 : x
  2. Step 2: Convert to fraction form
    39,692.96/59,524.44 = 15,992.47/x
  3. Step 3: Cross multiply
    39,692.96x = 59,524.44 × 15,992.47
  4. Step 4: Simplify right side
    39,692.96x = 951,942,820.97
  5. Step 5: Solve for x
    x = 951,942,820.97/39,692.96
  6. Step 6: Final answer
    x = 23,982.66

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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.