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Finding the Fourth Proportional to 69,855.92, 104,804.30 and 22,469.94

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Solution

The fourth proportional to 69,855.92, 104,804.30 and 22,469.94 is: 33,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.92 : 104,804.30 = 22,469.94 : x
  2. Step 2: Convert to fraction form
    69,855.92/104,804.30 = 22,469.94/x
  3. Step 3: Cross multiply
    69,855.92x = 104,804.30 × 22,469.94
  4. Step 4: Simplify right side
    69,855.92x = 2,354,946,332.74
  5. Step 5: Solve for x
    x = 2,354,946,332.74/69,855.92
  6. Step 6: Final answer
    x = 33,711.48

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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.