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Finding the Fourth Proportional to 27,144.72, 37,464.53 and 18,193.41

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Solution

The fourth proportional to 27,144.72, 37,464.53 and 18,193.41 is: 25,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.72 : 37,464.53 = 18,193.41 : x
  2. Step 2: Convert to fraction form
    27,144.72/37,464.53 = 18,193.41/x
  3. Step 3: Cross multiply
    27,144.72x = 37,464.53 × 18,193.41
  4. Step 4: Simplify right side
    27,144.72x = 681,607,463.78
  5. Step 5: Solve for x
    x = 681,607,463.78/27,144.72
  6. Step 6: Final answer
    x = 25,110.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.