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Finding the Fourth Proportional to 69,819.92, 104,790.24 and 36,563.24

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Solution

The fourth proportional to 69,819.92, 104,790.24 and 36,563.24 is: 54,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,819.92 : 104,790.24 = 36,563.24 : x
  2. Step 2: Convert to fraction form
    69,819.92/104,790.24 = 36,563.24/x
  3. Step 3: Cross multiply
    69,819.92x = 104,790.24 × 36,563.24
  4. Step 4: Simplify right side
    69,819.92x = 3,831,470,694.78
  5. Step 5: Solve for x
    x = 3,831,470,694.78/69,819.92
  6. Step 6: Final answer
    x = 54,876.47

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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.