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Finding the Fourth Proportional to 69,584.56, 104,380.36 and 19,668.26

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Solution

The fourth proportional to 69,584.56, 104,380.36 and 19,668.26 is: 29,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,584.56 : 104,380.36 = 19,668.26 : x
  2. Step 2: Convert to fraction form
    69,584.56/104,380.36 = 19,668.26/x
  3. Step 3: Cross multiply
    69,584.56x = 104,380.36 × 19,668.26
  4. Step 4: Simplify right side
    69,584.56x = 2,052,980,059.37
  5. Step 5: Solve for x
    x = 2,052,980,059.37/69,584.56
  6. Step 6: Final answer
    x = 29,503.38

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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.