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Finding the Fourth Proportional to 62,791.72, 86,657.44 and 35,942.66

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Solution

The fourth proportional to 62,791.72, 86,657.44 and 35,942.66 is: 49,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,791.72 : 86,657.44 = 35,942.66 : x
  2. Step 2: Convert to fraction form
    62,791.72/86,657.44 = 35,942.66/x
  3. Step 3: Cross multiply
    62,791.72x = 86,657.44 × 35,942.66
  4. Step 4: Simplify right side
    62,791.72x = 3,114,698,902.39
  5. Step 5: Solve for x
    x = 3,114,698,902.39/62,791.72
  6. Step 6: Final answer
    x = 49,603.66

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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.