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Finding the Fourth Proportional to 45,481.41, 68,231.84 and 34,392.51

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Solution

The fourth proportional to 45,481.41, 68,231.84 and 34,392.51 is: 51,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.41 : 68,231.84 = 34,392.51 : x
  2. Step 2: Convert to fraction form
    45,481.41/68,231.84 = 34,392.51/x
  3. Step 3: Cross multiply
    45,481.41x = 68,231.84 × 34,392.51
  4. Step 4: Simplify right side
    45,481.41x = 2,346,664,067.56
  5. Step 5: Solve for x
    x = 2,346,664,067.56/45,481.41
  6. Step 6: Final answer
    x = 51,596.12

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Why These Related Problems?

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