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Finding the Fourth Proportional to 37,662.89, 51,974.64 and 20,667.42

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Solution

The fourth proportional to 37,662.89, 51,974.64 and 20,667.42 is: 28,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,662.89 : 51,974.64 = 20,667.42 : x
  2. Step 2: Convert to fraction form
    37,662.89/51,974.64 = 20,667.42/x
  3. Step 3: Cross multiply
    37,662.89x = 51,974.64 × 20,667.42
  4. Step 4: Simplify right side
    37,662.89x = 1,074,181,596.83
  5. Step 5: Solve for x
    x = 1,074,181,596.83/37,662.89
  6. Step 6: Final answer
    x = 28,520.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.