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Finding the Fourth Proportional to 62,791.81, 86,657.52 and 35,942.74

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Solution

The fourth proportional to 62,791.81, 86,657.52 and 35,942.74 is: 49,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,791.81 : 86,657.52 = 35,942.74 : x
  2. Step 2: Convert to fraction form
    62,791.81/86,657.52 = 35,942.74/x
  3. Step 3: Cross multiply
    62,791.81x = 86,657.52 × 35,942.74
  4. Step 4: Simplify right side
    62,791.81x = 3,114,708,710.40
  5. Step 5: Solve for x
    x = 3,114,708,710.40/62,791.81
  6. Step 6: Final answer
    x = 49,603.74

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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.