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Finding the Fourth Proportional to 61,806.92, 85,293.59 and 33,512.60

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Solution

The fourth proportional to 61,806.92, 85,293.59 and 33,512.60 is: 46,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,806.92 : 85,293.59 = 33,512.60 : x
  2. Step 2: Convert to fraction form
    61,806.92/85,293.59 = 33,512.60/x
  3. Step 3: Cross multiply
    61,806.92x = 85,293.59 × 33,512.60
  4. Step 4: Simplify right side
    61,806.92x = 2,858,410,198.41
  5. Step 5: Solve for x
    x = 2,858,410,198.41/61,806.92
  6. Step 6: Final answer
    x = 46,247.42

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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.