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Finding the Fourth Proportional to 36,082.62, 54,128.25 and 12,704.22

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Solution

The fourth proportional to 36,082.62, 54,128.25 and 12,704.22 is: 19,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,082.62 : 54,128.25 = 12,704.22 : x
  2. Step 2: Convert to fraction form
    36,082.62/54,128.25 = 12,704.22/x
  3. Step 3: Cross multiply
    36,082.62x = 54,128.25 × 12,704.22
  4. Step 4: Simplify right side
    36,082.62x = 687,657,196.22
  5. Step 5: Solve for x
    x = 687,657,196.22/36,082.62
  6. Step 6: Final answer
    x = 19,057.85

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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.