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Finding the Fourth Proportional to 73,469.97, 101,385.09 and 41,638.14

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Solution

The fourth proportional to 73,469.97, 101,385.09 and 41,638.14 is: 57,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,469.97 : 101,385.09 = 41,638.14 : x
  2. Step 2: Convert to fraction form
    73,469.97/101,385.09 = 41,638.14/x
  3. Step 3: Cross multiply
    73,469.97x = 101,385.09 × 41,638.14
  4. Step 4: Simplify right side
    73,469.97x = 4,221,486,571.33
  5. Step 5: Solve for x
    x = 4,221,486,571.33/73,469.97
  6. Step 6: Final answer
    x = 57,458.67

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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.