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Finding the Fourth Proportional to 50,786.93, 70,097.67 and 33,791.90

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Solution

The fourth proportional to 50,786.93, 70,097.67 and 33,791.90 is: 46,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,786.93 : 70,097.67 = 33,791.90 : x
  2. Step 2: Convert to fraction form
    50,786.93/70,097.67 = 33,791.90/x
  3. Step 3: Cross multiply
    50,786.93x = 70,097.67 × 33,791.90
  4. Step 4: Simplify right side
    50,786.93x = 2,368,733,104.38
  5. Step 5: Solve for x
    x = 2,368,733,104.38/50,786.93
  6. Step 6: Final answer
    x = 46,640.60

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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.