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Finding the Fourth Proportional to 33,661.59, 50,394.57 and 19,578.66

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Solution

The fourth proportional to 33,661.59, 50,394.57 and 19,578.66 is: 29,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,661.59 : 50,394.57 = 19,578.66 : x
  2. Step 2: Convert to fraction form
    33,661.59/50,394.57 = 19,578.66/x
  3. Step 3: Cross multiply
    33,661.59x = 50,394.57 × 19,578.66
  4. Step 4: Simplify right side
    33,661.59x = 986,658,151.88
  5. Step 5: Solve for x
    x = 986,658,151.88/33,661.59
  6. Step 6: Final answer
    x = 29,311.10

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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.