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Finding the Fourth Proportional to 49,791.80, 68,690.46 and 33,653.96

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Solution

The fourth proportional to 49,791.80, 68,690.46 and 33,653.96 is: 46,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791.80 : 68,690.46 = 33,653.96 : x
  2. Step 2: Convert to fraction form
    49,791.80/68,690.46 = 33,653.96/x
  3. Step 3: Cross multiply
    49,791.80x = 68,690.46 × 33,653.96
  4. Step 4: Simplify right side
    49,791.80x = 2,311,705,993.22
  5. Step 5: Solve for x
    x = 2,311,705,993.22/49,791.80
  6. Step 6: Final answer
    x = 46,427.44

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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.