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Finding the Fourth Proportional to 48,850.75, 73,276.49 and 11,914.75

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Solution

The fourth proportional to 48,850.75, 73,276.49 and 11,914.75 is: 17,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,850.75 : 73,276.49 = 11,914.75 : x
  2. Step 2: Convert to fraction form
    48,850.75/73,276.49 = 11,914.75/x
  3. Step 3: Cross multiply
    48,850.75x = 73,276.49 × 11,914.75
  4. Step 4: Simplify right side
    48,850.75x = 873,071,059.23
  5. Step 5: Solve for x
    x = 873,071,059.23/48,850.75
  6. Step 6: Final answer
    x = 17,872.21

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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.