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Finding the Fourth Proportional to 18,522.22, 27,803.07 and 7,997.38

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Solution

The fourth proportional to 18,522.22, 27,803.07 and 7,997.38 is: 12,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.22 : 27,803.07 = 7,997.38 : x
  2. Step 2: Convert to fraction form
    18,522.22/27,803.07 = 7,997.38/x
  3. Step 3: Cross multiply
    18,522.22x = 27,803.07 × 7,997.38
  4. Step 4: Simplify right side
    18,522.22x = 222,351,715.96
  5. Step 5: Solve for x
    x = 222,351,715.96/18,522.22
  6. Step 6: Final answer
    x = 12,004.59

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1.5x scale

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.