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Finding the Fourth Proportional to 22,321.53, 33,481.98 and 6,739.16

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Solution

The fourth proportional to 22,321.53, 33,481.98 and 6,739.16 is: 10,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.53 : 33,481.98 = 6,739.16 : x
  2. Step 2: Convert to fraction form
    22,321.53/33,481.98 = 6,739.16/x
  3. Step 3: Cross multiply
    22,321.53x = 33,481.98 × 6,739.16
  4. Step 4: Simplify right side
    22,321.53x = 225,640,252.93
  5. Step 5: Solve for x
    x = 225,640,252.93/22,321.53
  6. Step 6: Final answer
    x = 10,108.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.