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Finding the Fourth Proportional to 54,958.72, 75,845.97 and 34,808.20

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Solution

The fourth proportional to 54,958.72, 75,845.97 and 34,808.20 is: 48,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.72 : 75,845.97 = 34,808.20 : x
  2. Step 2: Convert to fraction form
    54,958.72/75,845.97 = 34,808.20/x
  3. Step 3: Cross multiply
    54,958.72x = 75,845.97 × 34,808.20
  4. Step 4: Simplify right side
    54,958.72x = 2,640,061,692.95
  5. Step 5: Solve for x
    x = 2,640,061,692.95/54,958.72
  6. Step 6: Final answer
    x = 48,037.18

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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.