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Finding the Fourth Proportional to 27,093.40, 40,640.10 and 22,719.40

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Solution

The fourth proportional to 27,093.40, 40,640.10 and 22,719.40 is: 34,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.40 : 40,640.10 = 22,719.40 : x
  2. Step 2: Convert to fraction form
    27,093.40/40,640.10 = 22,719.40/x
  3. Step 3: Cross multiply
    27,093.40x = 40,640.10 × 22,719.40
  4. Step 4: Simplify right side
    27,093.40x = 923,318,687.94
  5. Step 5: Solve for x
    x = 923,318,687.94/27,093.40
  6. Step 6: Final answer
    x = 34,079.10

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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.