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Finding the Fourth Proportional to 18,484.02, 27,704.51 and 7,393.88

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Solution

The fourth proportional to 18,484.02, 27,704.51 and 7,393.88 is: 11,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.02 : 27,704.51 = 7,393.88 : x
  2. Step 2: Convert to fraction form
    18,484.02/27,704.51 = 7,393.88/x
  3. Step 3: Cross multiply
    18,484.02x = 27,704.51 × 7,393.88
  4. Step 4: Simplify right side
    18,484.02x = 204,843,861.62
  5. Step 5: Solve for x
    x = 204,843,861.62/18,484.02
  6. Step 6: Final answer
    x = 11,082.21

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Why These Related Problems?

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