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Finding the Fourth Proportional to 69,620.96, 104,469.25 and 29,633.42

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Solution

The fourth proportional to 69,620.96, 104,469.25 and 29,633.42 is: 44,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.96 : 104,469.25 = 29,633.42 : x
  2. Step 2: Convert to fraction form
    69,620.96/104,469.25 = 29,633.42/x
  3. Step 3: Cross multiply
    69,620.96x = 104,469.25 × 29,633.42
  4. Step 4: Simplify right side
    69,620.96x = 3,095,781,162.34
  5. Step 5: Solve for x
    x = 3,095,781,162.34/69,620.96
  6. Step 6: Final answer
    x = 44,466.22

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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.