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Finding the Fourth Proportional to 36,448.72, 50,326.20 and 22,320.88

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Solution

The fourth proportional to 36,448.72, 50,326.20 and 22,320.88 is: 30,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,448.72 : 50,326.20 = 22,320.88 : x
  2. Step 2: Convert to fraction form
    36,448.72/50,326.20 = 22,320.88/x
  3. Step 3: Cross multiply
    36,448.72x = 50,326.20 × 22,320.88
  4. Step 4: Simplify right side
    36,448.72x = 1,123,325,071.06
  5. Step 5: Solve for x
    x = 1,123,325,071.06/36,448.72
  6. Step 6: Final answer
    x = 30,819.33

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