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Finding the Fourth Proportional to 45,992.91, 68,976.04 and 17,906.71

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Solution

The fourth proportional to 45,992.91, 68,976.04 and 17,906.71 is: 26,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,992.91 : 68,976.04 = 17,906.71 : x
  2. Step 2: Convert to fraction form
    45,992.91/68,976.04 = 17,906.71/x
  3. Step 3: Cross multiply
    45,992.91x = 68,976.04 × 17,906.71
  4. Step 4: Simplify right side
    45,992.91x = 1,235,133,945.23
  5. Step 5: Solve for x
    x = 1,235,133,945.23/45,992.91
  6. Step 6: Final answer
    x = 26,854.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.