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Finding the Fourth Proportional to 69,980.49, 104,991.26 and 22,594.55

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Solution

The fourth proportional to 69,980.49, 104,991.26 and 22,594.55 is: 33,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,980.49 : 104,991.26 = 22,594.55 : x
  2. Step 2: Convert to fraction form
    69,980.49/104,991.26 = 22,594.55/x
  3. Step 3: Cross multiply
    69,980.49x = 104,991.26 × 22,594.55
  4. Step 4: Simplify right side
    69,980.49x = 2,372,229,635.70
  5. Step 5: Solve for x
    x = 2,372,229,635.70/69,980.49
  6. Step 6: Final answer
    x = 33,898.44

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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.