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Finding the Fourth Proportional to 54,891.81, 75,751.53 and 29,741.31

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Solution

The fourth proportional to 54,891.81, 75,751.53 and 29,741.31 is: 41,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,891.81 : 75,751.53 = 29,741.31 : x
  2. Step 2: Convert to fraction form
    54,891.81/75,751.53 = 29,741.31/x
  3. Step 3: Cross multiply
    54,891.81x = 75,751.53 × 29,741.31
  4. Step 4: Simplify right side
    54,891.81x = 2,252,949,736.70
  5. Step 5: Solve for x
    x = 2,252,949,736.70/54,891.81
  6. Step 6: Final answer
    x = 41,043.46

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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.