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Finding the Fourth Proportional to 36,530.40, 54,736.20 and 33,031.20

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Solution

The fourth proportional to 36,530.40, 54,736.20 and 33,031.20 is: 49,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.40 : 54,736.20 = 33,031.20 : x
  2. Step 2: Convert to fraction form
    36,530.40/54,736.20 = 33,031.20/x
  3. Step 3: Cross multiply
    36,530.40x = 54,736.20 × 33,031.20
  4. Step 4: Simplify right side
    36,530.40x = 1,808,002,369.44
  5. Step 5: Solve for x
    x = 1,808,002,369.44/36,530.40
  6. Step 6: Final answer
    x = 49,493.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.