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Finding the Fourth Proportional to 69,393.68, 104,093.40 and 22,007.72

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Solution

The fourth proportional to 69,393.68, 104,093.40 and 22,007.72 is: 33,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393.68 : 104,093.40 = 22,007.72 : x
  2. Step 2: Convert to fraction form
    69,393.68/104,093.40 = 22,007.72/x
  3. Step 3: Cross multiply
    69,393.68x = 104,093.40 × 22,007.72
  4. Step 4: Simplify right side
    69,393.68x = 2,290,858,401.05
  5. Step 5: Solve for x
    x = 2,290,858,401.05/69,393.68
  6. Step 6: Final answer
    x = 33,012.49

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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.