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Finding the Fourth Proportional to 49,757.80, 68,643.60 and 33,619.96

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Solution

The fourth proportional to 49,757.80, 68,643.60 and 33,619.96 is: 46,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,757.80 : 68,643.60 = 33,619.96 : x
  2. Step 2: Convert to fraction form
    49,757.80/68,643.60 = 33,619.96/x
  3. Step 3: Cross multiply
    49,757.80x = 68,643.60 × 33,619.96
  4. Step 4: Simplify right side
    49,757.80x = 2,307,795,086.26
  5. Step 5: Solve for x
    x = 2,307,795,086.26/49,757.80
  6. Step 6: Final answer
    x = 46,380.57

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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.