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Finding the Fourth Proportional to 54,757.54, 82,135.82 and 17,317.64

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Solution

The fourth proportional to 54,757.54, 82,135.82 and 17,317.64 is: 25,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,757.54 : 82,135.82 = 17,317.64 : x
  2. Step 2: Convert to fraction form
    54,757.54/82,135.82 = 17,317.64/x
  3. Step 3: Cross multiply
    54,757.54x = 82,135.82 × 17,317.64
  4. Step 4: Simplify right side
    54,757.54x = 1,422,398,752.75
  5. Step 5: Solve for x
    x = 1,422,398,752.75/54,757.54
  6. Step 6: Final answer
    x = 25,976.31

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1.5x scale

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.