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Finding the Fourth Proportional to 73,635.73, 101,621.37 and 43,438.75

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Solution

The fourth proportional to 73,635.73, 101,621.37 and 43,438.75 is: 59,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,635.73 : 101,621.37 = 43,438.75 : x
  2. Step 2: Convert to fraction form
    73,635.73/101,621.37 = 43,438.75/x
  3. Step 3: Cross multiply
    73,635.73x = 101,621.37 × 43,438.75
  4. Step 4: Simplify right side
    73,635.73x = 4,414,305,286.09
  5. Step 5: Solve for x
    x = 4,414,305,286.09/73,635.73
  6. Step 6: Final answer
    x = 59,947.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.