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Finding the Fourth Proportional to 69,394.11, 104,094.88 and 22,012.80

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Solution

The fourth proportional to 69,394.11, 104,094.88 and 22,012.80 is: 33,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,394.11 : 104,094.88 = 22,012.80 : x
  2. Step 2: Convert to fraction form
    69,394.11/104,094.88 = 22,012.80/x
  3. Step 3: Cross multiply
    69,394.11x = 104,094.88 × 22,012.80
  4. Step 4: Simplify right side
    69,394.11x = 2,291,419,329.08
  5. Step 5: Solve for x
    x = 2,291,419,329.08/69,394.11
  6. Step 6: Final answer
    x = 33,020.37

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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.