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Finding the Fourth Proportional to 69,972.92, 104,924.82 and 23,210

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Solution

The fourth proportional to 69,972.92, 104,924.82 and 23,210 is: 34,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.92 : 104,924.82 = 23,210 : x
  2. Step 2: Convert to fraction form
    69,972.92/104,924.82 = 23,210/x
  3. Step 3: Cross multiply
    69,972.92x = 104,924.82 × 23,210
  4. Step 4: Simplify right side
    69,972.92x = 2,435,305,072.20
  5. Step 5: Solve for x
    x = 2,435,305,072.20/69,972.92
  6. Step 6: Final answer
    x = 34,803.54

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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.