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Finding the Fourth Proportional to 54,712.44, 82,081.44 and 17,276.28

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Solution

The fourth proportional to 54,712.44, 82,081.44 and 17,276.28 is: 25,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.44 : 82,081.44 = 17,276.28 : x
  2. Step 2: Convert to fraction form
    54,712.44/82,081.44 = 17,276.28/x
  3. Step 3: Cross multiply
    54,712.44x = 82,081.44 × 17,276.28
  4. Step 4: Simplify right side
    54,712.44x = 1,418,061,940.24
  5. Step 5: Solve for x
    x = 1,418,061,940.24/54,712.44
  6. Step 6: Final answer
    x = 25,918.46

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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.