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Finding the Fourth Proportional to 54,891.85, 75,750.72 and 29,741.35

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Solution

The fourth proportional to 54,891.85, 75,750.72 and 29,741.35 is: 41,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,891.85 : 75,750.72 = 29,741.35 : x
  2. Step 2: Convert to fraction form
    54,891.85/75,750.72 = 29,741.35/x
  3. Step 3: Cross multiply
    54,891.85x = 75,750.72 × 29,741.35
  4. Step 4: Simplify right side
    54,891.85x = 2,252,928,676.27
  5. Step 5: Solve for x
    x = 2,252,928,676.27/54,891.85
  6. Step 6: Final answer
    x = 41,043.05

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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.