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Finding the Fourth Proportional to 73,003.23, 100,744.58 and 39,469.23

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Solution

The fourth proportional to 73,003.23, 100,744.58 and 39,469.23 is: 54,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.23 : 100,744.58 = 39,469.23 : x
  2. Step 2: Convert to fraction form
    73,003.23/100,744.58 = 39,469.23/x
  3. Step 3: Cross multiply
    73,003.23x = 100,744.58 × 39,469.23
  4. Step 4: Simplify right side
    73,003.23x = 3,976,310,801.93
  5. Step 5: Solve for x
    x = 3,976,310,801.93/73,003.23
  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.