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Finding the Fourth Proportional to 54,720.44, 82,093.44 and 17,284.28

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Solution

The fourth proportional to 54,720.44, 82,093.44 and 17,284.28 is: 25,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,720.44 : 82,093.44 = 17,284.28 : x
  2. Step 2: Convert to fraction form
    54,720.44/82,093.44 = 17,284.28/x
  3. Step 3: Cross multiply
    54,720.44x = 82,093.44 × 17,284.28
  4. Step 4: Simplify right side
    54,720.44x = 1,418,926,003.12
  5. Step 5: Solve for x
    x = 1,418,926,003.12/54,720.44
  6. Step 6: Final answer
    x = 25,930.46

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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.