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Finding the Fourth Proportional to 33,479.20, 46,199.74 and 18,371.48

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Solution

The fourth proportional to 33,479.20, 46,199.74 and 18,371.48 is: 25,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,479.20 : 46,199.74 = 18,371.48 : x
  2. Step 2: Convert to fraction form
    33,479.20/46,199.74 = 18,371.48/x
  3. Step 3: Cross multiply
    33,479.20x = 46,199.74 × 18,371.48
  4. Step 4: Simplify right side
    33,479.20x = 848,757,599.42
  5. Step 5: Solve for x
    x = 848,757,599.42/33,479.20
  6. Step 6: Final answer
    x = 25,351.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.