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Finding the Fourth Proportional to 33,240.66, 49,846.38 and 12,449.58

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Solution

The fourth proportional to 33,240.66, 49,846.38 and 12,449.58 is: 18,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.66 : 49,846.38 = 12,449.58 : x
  2. Step 2: Convert to fraction form
    33,240.66/49,846.38 = 12,449.58/x
  3. Step 3: Cross multiply
    33,240.66x = 49,846.38 × 12,449.58
  4. Step 4: Simplify right side
    33,240.66x = 620,566,495.52
  5. Step 5: Solve for x
    x = 620,566,495.52/33,240.66
  6. Step 6: Final answer
    x = 18,668.90

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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.