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Finding the Fourth Proportional to 73,003.22, 100,744.59 and 39,469.22

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Solution

The fourth proportional to 73,003.22, 100,744.59 and 39,469.22 is: 54,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.22 : 100,744.59 = 39,469.22 : x
  2. Step 2: Convert to fraction form
    73,003.22/100,744.59 = 39,469.22/x
  3. Step 3: Cross multiply
    73,003.22x = 100,744.59 × 39,469.22
  4. Step 4: Simplify right side
    73,003.22x = 3,976,310,408.60
  5. Step 5: Solve for x
    x = 3,976,310,408.60/73,003.22
  6. Step 6: Final answer
    x = 54,467.60

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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.