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Finding the Fourth Proportional to 61,661.59, 85,093.22 and 33,367.28

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Solution

The fourth proportional to 61,661.59, 85,093.22 and 33,367.28 is: 46,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,661.59 : 85,093.22 = 33,367.28 : x
  2. Step 2: Convert to fraction form
    61,661.59/85,093.22 = 33,367.28/x
  3. Step 3: Cross multiply
    61,661.59x = 85,093.22 × 33,367.28
  4. Step 4: Simplify right side
    61,661.59x = 2,839,328,705.54
  5. Step 5: Solve for x
    x = 2,839,328,705.54/61,661.59
  6. Step 6: Final answer
    x = 46,046.96

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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.