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Finding the Fourth Proportional to 69,796.37, 104,712.14 and 22,415.72

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Solution

The fourth proportional to 69,796.37, 104,712.14 and 22,415.72 is: 33,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.37 : 104,712.14 = 22,415.72 : x
  2. Step 2: Convert to fraction form
    69,796.37/104,712.14 = 22,415.72/x
  3. Step 3: Cross multiply
    69,796.37x = 104,712.14 × 22,415.72
  4. Step 4: Simplify right side
    69,796.37x = 2,347,197,375.20
  5. Step 5: Solve for x
    x = 2,347,197,375.20/69,796.37
  6. Step 6: Final answer
    x = 33,629.22

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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.