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Finding the Fourth Proportional to 12,093.67, 18,133.89 and 3,771.46

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Solution

The fourth proportional to 12,093.67, 18,133.89 and 3,771.46 is: 5,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.67 : 18,133.89 = 3,771.46 : x
  2. Step 2: Convert to fraction form
    12,093.67/18,133.89 = 3,771.46/x
  3. Step 3: Cross multiply
    12,093.67x = 18,133.89 × 3,771.46
  4. Step 4: Simplify right side
    12,093.67x = 68,391,240.78
  5. Step 5: Solve for x
    x = 68,391,240.78/12,093.67
  6. Step 6: Final answer
    x = 5,655.13

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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.