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Finding the Fourth Proportional to 61,661.25, 85,092.60 and 33,366.94

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Solution

The fourth proportional to 61,661.25, 85,092.60 and 33,366.94 is: 46,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,661.25 : 85,092.60 = 33,366.94 : x
  2. Step 2: Convert to fraction form
    61,661.25/85,092.60 = 33,366.94/x
  3. Step 3: Cross multiply
    61,661.25x = 85,092.60 × 33,366.94
  4. Step 4: Simplify right side
    61,661.25x = 2,839,279,497.19
  5. Step 5: Solve for x
    x = 2,839,279,497.19/61,661.25
  6. Step 6: Final answer
    x = 46,046.41

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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.