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Finding the Fourth Proportional to 36,723.68, 50,678.68 and 19,956.68

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Solution

The fourth proportional to 36,723.68, 50,678.68 and 19,956.68 is: 27,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,723.68 : 50,678.68 = 19,956.68 : x
  2. Step 2: Convert to fraction form
    36,723.68/50,678.68 = 19,956.68/x
  3. Step 3: Cross multiply
    36,723.68x = 50,678.68 × 19,956.68
  4. Step 4: Simplify right side
    36,723.68x = 1,011,378,199.58
  5. Step 5: Solve for x
    x = 1,011,378,199.58/36,723.68
  6. Step 6: Final answer
    x = 27,540.22

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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.