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Finding the Fourth Proportional to 54,958.56, 75,843.63 and 29,808.06

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Solution

The fourth proportional to 54,958.56, 75,843.63 and 29,808.06 is: 41,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.56 : 75,843.63 = 29,808.06 : x
  2. Step 2: Convert to fraction form
    54,958.56/75,843.63 = 29,808.06/x
  3. Step 3: Cross multiply
    54,958.56x = 75,843.63 × 29,808.06
  4. Step 4: Simplify right side
    54,958.56x = 2,260,751,473.66
  5. Step 5: Solve for x
    x = 2,260,751,473.66/54,958.56
  6. Step 6: Final answer
    x = 41,135.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.