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Finding the Fourth Proportional to 69,093.72, 103,625.10 and 26,974.80

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Solution

The fourth proportional to 69,093.72, 103,625.10 and 26,974.80 is: 40,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,093.72 : 103,625.10 = 26,974.80 : x
  2. Step 2: Convert to fraction form
    69,093.72/103,625.10 = 26,974.80/x
  3. Step 3: Cross multiply
    69,093.72x = 103,625.10 × 26,974.80
  4. Step 4: Simplify right side
    69,093.72x = 2,795,266,347.48
  5. Step 5: Solve for x
    x = 2,795,266,347.48/69,093.72
  6. Step 6: Final answer
    x = 40,456.16

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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.