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Finding the Fourth Proportional to 69,346.56, 104,035.32 and 21,964.44

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Solution

The fourth proportional to 69,346.56, 104,035.32 and 21,964.44 is: 32,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,346.56 : 104,035.32 = 21,964.44 : x
  2. Step 2: Convert to fraction form
    69,346.56/104,035.32 = 21,964.44/x
  3. Step 3: Cross multiply
    69,346.56x = 104,035.32 × 21,964.44
  4. Step 4: Simplify right side
    69,346.56x = 2,285,077,544.02
  5. Step 5: Solve for x
    x = 2,285,077,544.02/69,346.56
  6. Step 6: Final answer
    x = 32,951.56

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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.