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Finding the Fourth Proportional to 33,807.72, 50,716.19 and 14,081.66

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Solution

The fourth proportional to 33,807.72, 50,716.19 and 14,081.66 is: 21,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.72 : 50,716.19 = 14,081.66 : x
  2. Step 2: Convert to fraction form
    33,807.72/50,716.19 = 14,081.66/x
  3. Step 3: Cross multiply
    33,807.72x = 50,716.19 × 14,081.66
  4. Step 4: Simplify right side
    33,807.72x = 714,168,127.80
  5. Step 5: Solve for x
    x = 714,168,127.80/33,807.72
  6. Step 6: Final answer
    x = 21,124.41

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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.