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Finding the Fourth Proportional to 54,993.63, 75,891.21 and 29,843.13

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Solution

The fourth proportional to 54,993.63, 75,891.21 and 29,843.13 is: 41,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,993.63 : 75,891.21 = 29,843.13 : x
  2. Step 2: Convert to fraction form
    54,993.63/75,891.21 = 29,843.13/x
  3. Step 3: Cross multiply
    54,993.63x = 75,891.21 × 29,843.13
  4. Step 4: Simplify right side
    54,993.63x = 2,264,831,245.89
  5. Step 5: Solve for x
    x = 2,264,831,245.89/54,993.63
  6. Step 6: Final answer
    x = 41,183.52

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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.