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Finding the Fourth Proportional to 45,992.66, 68,997.79 and 14,819.54

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Solution

The fourth proportional to 45,992.66, 68,997.79 and 14,819.54 is: 22,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,992.66 : 68,997.79 = 14,819.54 : x
  2. Step 2: Convert to fraction form
    45,992.66/68,997.79 = 14,819.54/x
  3. Step 3: Cross multiply
    45,992.66x = 68,997.79 × 14,819.54
  4. Step 4: Simplify right side
    45,992.66x = 1,022,515,508.82
  5. Step 5: Solve for x
    x = 1,022,515,508.82/45,992.66
  6. Step 6: Final answer
    x = 22,232.15

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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.