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Finding the Fourth Proportional to 54,805.44, 82,216.40 and 19,736.88

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Solution

The fourth proportional to 54,805.44, 82,216.40 and 19,736.88 is: 29,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,805.44 : 82,216.40 = 19,736.88 : x
  2. Step 2: Convert to fraction form
    54,805.44/82,216.40 = 19,736.88/x
  3. Step 3: Cross multiply
    54,805.44x = 82,216.40 × 19,736.88
  4. Step 4: Simplify right side
    54,805.44x = 1,622,695,220.83
  5. Step 5: Solve for x
    x = 1,622,695,220.83/54,805.44
  6. Step 6: Final answer
    x = 29,608.29

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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.