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Finding the Fourth Proportional to 69,507.45, 104,260.32 and 16,917.39

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Solution

The fourth proportional to 69,507.45, 104,260.32 and 16,917.39 is: 25,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,507.45 : 104,260.32 = 16,917.39 : x
  2. Step 2: Convert to fraction form
    69,507.45/104,260.32 = 16,917.39/x
  3. Step 3: Cross multiply
    69,507.45x = 104,260.32 × 16,917.39
  4. Step 4: Simplify right side
    69,507.45x = 1,763,812,494.96
  5. Step 5: Solve for x
    x = 1,763,812,494.96/69,507.45
  6. Step 6: Final answer
    x = 25,375.88

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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.