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Finding the Fourth Proportional to 27,054.38, 40,568.79 and 15,812.94

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Solution

The fourth proportional to 27,054.38, 40,568.79 and 15,812.94 is: 23,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,054.38 : 40,568.79 = 15,812.94 : x
  2. Step 2: Convert to fraction form
    27,054.38/40,568.79 = 15,812.94/x
  3. Step 3: Cross multiply
    27,054.38x = 40,568.79 × 15,812.94
  4. Step 4: Simplify right side
    27,054.38x = 641,511,842.14
  5. Step 5: Solve for x
    x = 641,511,842.14/27,054.38
  6. Step 6: Final answer
    x = 23,711.94

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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.