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Finding the Fourth Proportional to 34,908.20, 48,173.43 and 18,992.64

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Solution

The fourth proportional to 34,908.20, 48,173.43 and 18,992.64 is: 26,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,908.20 : 48,173.43 = 18,992.64 : x
  2. Step 2: Convert to fraction form
    34,908.20/48,173.43 = 18,992.64/x
  3. Step 3: Cross multiply
    34,908.20x = 48,173.43 × 18,992.64
  4. Step 4: Simplify right side
    34,908.20x = 914,940,613.56
  5. Step 5: Solve for x
    x = 914,940,613.56/34,908.20
  6. Step 6: Final answer
    x = 26,209.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.