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Finding the Fourth Proportional to 69,863.18, 104,762.60 and 22,469.52

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Solution

The fourth proportional to 69,863.18, 104,762.60 and 22,469.52 is: 33,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,863.18 : 104,762.60 = 22,469.52 : x
  2. Step 2: Convert to fraction form
    69,863.18/104,762.60 = 22,469.52/x
  3. Step 3: Cross multiply
    69,863.18x = 104,762.60 × 22,469.52
  4. Step 4: Simplify right side
    69,863.18x = 2,353,965,335.95
  5. Step 5: Solve for x
    x = 2,353,965,335.95/69,863.18
  6. Step 6: Final answer
    x = 33,693.93

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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.