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Finding the Fourth Proportional to 33,818.54, 50,713.80 and 12,754.99

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Solution

The fourth proportional to 33,818.54, 50,713.80 and 12,754.99 is: 19,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,818.54 : 50,713.80 = 12,754.99 : x
  2. Step 2: Convert to fraction form
    33,818.54/50,713.80 = 12,754.99/x
  3. Step 3: Cross multiply
    33,818.54x = 50,713.80 × 12,754.99
  4. Step 4: Simplify right side
    33,818.54x = 646,854,170.06
  5. Step 5: Solve for x
    x = 646,854,170.06/33,818.54
  6. Step 6: Final answer
    x = 19,127.21

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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.