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Finding the Fourth Proportional to 73,530.60, 101,469.30 and 39,996.68

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Solution

The fourth proportional to 73,530.60, 101,469.30 and 39,996.68 is: 55,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,530.60 : 101,469.30 = 39,996.68 : x
  2. Step 2: Convert to fraction form
    73,530.60/101,469.30 = 39,996.68/x
  3. Step 3: Cross multiply
    73,530.60x = 101,469.30 × 39,996.68
  4. Step 4: Simplify right side
    73,530.60x = 4,058,435,121.92
  5. Step 5: Solve for x
    x = 4,058,435,121.92/73,530.60
  6. Step 6: Final answer
    x = 55,193.83

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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.