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Finding the Fourth Proportional to 51,910.75, 77,879.13 and 14,974.75

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Solution

The fourth proportional to 51,910.75, 77,879.13 and 14,974.75 is: 22,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,910.75 : 77,879.13 = 14,974.75 : x
  2. Step 2: Convert to fraction form
    51,910.75/77,879.13 = 14,974.75/x
  3. Step 3: Cross multiply
    51,910.75x = 77,879.13 × 14,974.75
  4. Step 4: Simplify right side
    51,910.75x = 1,166,220,501.97
  5. Step 5: Solve for x
    x = 1,166,220,501.97/51,910.75
  6. Step 6: Final answer
    x = 22,465.88

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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.