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Finding the Fourth Proportional to 54,891.75, 75,750.63 and 29,741.25

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Solution

The fourth proportional to 54,891.75, 75,750.63 and 29,741.25 is: 41,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,891.75 : 75,750.63 = 29,741.25 : x
  2. Step 2: Convert to fraction form
    54,891.75/75,750.63 = 29,741.25/x
  3. Step 3: Cross multiply
    54,891.75x = 75,750.63 × 29,741.25
  4. Step 4: Simplify right side
    54,891.75x = 2,252,918,424.49
  5. Step 5: Solve for x
    x = 2,252,918,424.49/54,891.75
  6. Step 6: Final answer
    x = 41,042.93

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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.