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Finding the Fourth Proportional to 48,604.20, 72,906.30 and 33,858.60

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Solution

The fourth proportional to 48,604.20, 72,906.30 and 33,858.60 is: 50,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604.20 : 72,906.30 = 33,858.60 : x
  2. Step 2: Convert to fraction form
    48,604.20/72,906.30 = 33,858.60/x
  3. Step 3: Cross multiply
    48,604.20x = 72,906.30 × 33,858.60
  4. Step 4: Simplify right side
    48,604.20x = 2,468,505,249.18
  5. Step 5: Solve for x
    x = 2,468,505,249.18/48,604.20
  6. Step 6: Final answer
    x = 50,787.90

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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.