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Finding the Fourth Proportional to 45,940.80, 68,917.68 and 22,568.16

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Solution

The fourth proportional to 45,940.80, 68,917.68 and 22,568.16 is: 33,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,940.80 : 68,917.68 = 22,568.16 : x
  2. Step 2: Convert to fraction form
    45,940.80/68,917.68 = 22,568.16/x
  3. Step 3: Cross multiply
    45,940.80x = 68,917.68 × 22,568.16
  4. Step 4: Simplify right side
    45,940.80x = 1,555,345,229.07
  5. Step 5: Solve for x
    x = 1,555,345,229.07/45,940.80
  6. Step 6: Final answer
    x = 33,855.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.