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Finding the Fourth Proportional to 36,723.94, 50,679.05 and 19,956.94

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Solution

The fourth proportional to 36,723.94, 50,679.05 and 19,956.94 is: 27,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,723.94 : 50,679.05 = 19,956.94 : x
  2. Step 2: Convert to fraction form
    36,723.94/50,679.05 = 19,956.94/x
  3. Step 3: Cross multiply
    36,723.94x = 50,679.05 × 19,956.94
  4. Step 4: Simplify right side
    36,723.94x = 1,011,398,533.62
  5. Step 5: Solve for x
    x = 1,011,398,533.62/36,723.94
  6. Step 6: Final answer
    x = 27,540.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.