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Finding the Fourth Proportional to 33,291.60, 49,936.95 and 8,331.57

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Solution

The fourth proportional to 33,291.60, 49,936.95 and 8,331.57 is: 12,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.60 : 49,936.95 = 8,331.57 : x
  2. Step 2: Convert to fraction form
    33,291.60/49,936.95 = 8,331.57/x
  3. Step 3: Cross multiply
    33,291.60x = 49,936.95 × 8,331.57
  4. Step 4: Simplify right side
    33,291.60x = 416,053,194.51
  5. Step 5: Solve for x
    x = 416,053,194.51/33,291.60
  6. Step 6: Final answer
    x = 12,497.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.