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Finding the Fourth Proportional to 41,994.89, 62,971.83 and 18,322.44

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Solution

The fourth proportional to 41,994.89, 62,971.83 and 18,322.44 is: 27,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,994.89 : 62,971.83 = 18,322.44 : x
  2. Step 2: Convert to fraction form
    41,994.89/62,971.83 = 18,322.44/x
  3. Step 3: Cross multiply
    41,994.89x = 62,971.83 × 18,322.44
  4. Step 4: Simplify right side
    41,994.89x = 1,153,797,576.87
  5. Step 5: Solve for x
    x = 1,153,797,576.87/41,994.89
  6. Step 6: Final answer
    x = 27,474.72

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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.