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Finding the Fourth Proportional to 61,974.68, 92,945.42 and 26,906

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Solution

The fourth proportional to 61,974.68, 92,945.42 and 26,906 is: 40,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,974.68 : 92,945.42 = 26,906 : x
  2. Step 2: Convert to fraction form
    61,974.68/92,945.42 = 26,906/x
  3. Step 3: Cross multiply
    61,974.68x = 92,945.42 × 26,906
  4. Step 4: Simplify right side
    61,974.68x = 2,500,789,335.99
  5. Step 5: Solve for x
    x = 2,500,789,335.99/61,974.68
  6. Step 6: Final answer
    x = 40,351.79

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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.