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Finding the Fourth Proportional to 69,951.97, 104,942.95 and 22,569.76

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Solution

The fourth proportional to 69,951.97, 104,942.95 and 22,569.76 is: 33,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,951.97 : 104,942.95 = 22,569.76 : x
  2. Step 2: Convert to fraction form
    69,951.97/104,942.95 = 22,569.76/x
  3. Step 3: Cross multiply
    69,951.97x = 104,942.95 × 22,569.76
  4. Step 4: Simplify right side
    69,951.97x = 2,368,537,195.19
  5. Step 5: Solve for x
    x = 2,368,537,195.19/69,951.97
  6. Step 6: Final answer
    x = 33,859.48

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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.