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Finding the Fourth Proportional to 33,889.16, 50,824.02 and 13,107.80

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Solution

The fourth proportional to 33,889.16, 50,824.02 and 13,107.80 is: 19,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.16 : 50,824.02 = 13,107.80 : x
  2. Step 2: Convert to fraction form
    33,889.16/50,824.02 = 13,107.80/x
  3. Step 3: Cross multiply
    33,889.16x = 50,824.02 × 13,107.80
  4. Step 4: Simplify right side
    33,889.16x = 666,191,265.57
  5. Step 5: Solve for x
    x = 666,191,265.57/33,889.16
  6. Step 6: Final answer
    x = 19,657.94

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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.