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Finding the Fourth Proportional to 54,891.60, 75,750.48 and 29,741.08

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Solution

The fourth proportional to 54,891.60, 75,750.48 and 29,741.08 is: 41,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,891.60 : 75,750.48 = 29,741.08 : x
  2. Step 2: Convert to fraction form
    54,891.60/75,750.48 = 29,741.08/x
  3. Step 3: Cross multiply
    54,891.60x = 75,750.48 × 29,741.08
  4. Step 4: Simplify right side
    54,891.60x = 2,252,901,085.72
  5. Step 5: Solve for x
    x = 2,252,901,085.72/54,891.60
  6. Step 6: Final answer
    x = 41,042.73

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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.