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Finding the Fourth Proportional to 54,993.64, 75,891.54 and 29,843.32

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Solution

The fourth proportional to 54,993.64, 75,891.54 and 29,843.32 is: 41,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,993.64 : 75,891.54 = 29,843.32 : x
  2. Step 2: Convert to fraction form
    54,993.64/75,891.54 = 29,843.32/x
  3. Step 3: Cross multiply
    54,993.64x = 75,891.54 × 29,843.32
  4. Step 4: Simplify right side
    54,993.64x = 2,264,855,513.51
  5. Step 5: Solve for x
    x = 2,264,855,513.51/54,993.64
  6. Step 6: Final answer
    x = 41,183.95

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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.