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Finding the Fourth Proportional to 18,475.34, 27,713.60 and 7,230.23

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Solution

The fourth proportional to 18,475.34, 27,713.60 and 7,230.23 is: 10,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.34 : 27,713.60 = 7,230.23 : x
  2. Step 2: Convert to fraction form
    18,475.34/27,713.60 = 7,230.23/x
  3. Step 3: Cross multiply
    18,475.34x = 27,713.60 × 7,230.23
  4. Step 4: Simplify right side
    18,475.34x = 200,375,665.98
  5. Step 5: Solve for x
    x = 200,375,665.98/18,475.34
  6. Step 6: Final answer
    x = 10,845.58

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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.