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Finding the Fourth Proportional to 33,396.99, 50,098.83 and 12,342.56

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Solution

The fourth proportional to 33,396.99, 50,098.83 and 12,342.56 is: 18,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,396.99 : 50,098.83 = 12,342.56 : x
  2. Step 2: Convert to fraction form
    33,396.99/50,098.83 = 12,342.56/x
  3. Step 3: Cross multiply
    33,396.99x = 50,098.83 × 12,342.56
  4. Step 4: Simplify right side
    33,396.99x = 618,347,564.71
  5. Step 5: Solve for x
    x = 618,347,564.71/33,396.99
  6. Step 6: Final answer
    x = 18,515.07

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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.