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Finding the Fourth Proportional to 69,392.28, 104,087.40 and 22,007.28

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Solution

The fourth proportional to 69,392.28, 104,087.40 and 22,007.28 is: 33,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,392.28 : 104,087.40 = 22,007.28 : x
  2. Step 2: Convert to fraction form
    69,392.28/104,087.40 = 22,007.28/x
  3. Step 3: Cross multiply
    69,392.28x = 104,087.40 × 22,007.28
  4. Step 4: Simplify right side
    69,392.28x = 2,290,680,556.27
  5. Step 5: Solve for x
    x = 2,290,680,556.27/69,392.28
  6. Step 6: Final answer
    x = 33,010.60

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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.