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Finding the Fourth Proportional to 33,507.20, 50,131.20 and 21,843.20

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Solution

The fourth proportional to 33,507.20, 50,131.20 and 21,843.20 is: 32,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,507.20 : 50,131.20 = 21,843.20 : x
  2. Step 2: Convert to fraction form
    33,507.20/50,131.20 = 21,843.20/x
  3. Step 3: Cross multiply
    33,507.20x = 50,131.20 × 21,843.20
  4. Step 4: Simplify right side
    33,507.20x = 1,095,025,827.84
  5. Step 5: Solve for x
    x = 1,095,025,827.84/33,507.20
  6. Step 6: Final answer
    x = 32,680.31

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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.