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Finding the Fourth Proportional to 34,993.44, 48,283.44 and 20,850.96

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Solution

The fourth proportional to 34,993.44, 48,283.44 and 20,850.96 is: 28,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.44 : 48,283.44 = 20,850.96 : x
  2. Step 2: Convert to fraction form
    34,993.44/48,283.44 = 20,850.96/x
  3. Step 3: Cross multiply
    34,993.44x = 48,283.44 × 20,850.96
  4. Step 4: Simplify right side
    34,993.44x = 1,006,756,076.10
  5. Step 5: Solve for x
    x = 1,006,756,076.10/34,993.44
  6. Step 6: Final answer
    x = 28,769.85

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Why These Related Problems?

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