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Finding the Fourth Proportional to 22,107.20, 33,160.80 and 8,952.80

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Solution

The fourth proportional to 22,107.20, 33,160.80 and 8,952.80 is: 13,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.20 : 33,160.80 = 8,952.80 : x
  2. Step 2: Convert to fraction form
    22,107.20/33,160.80 = 8,952.80/x
  3. Step 3: Cross multiply
    22,107.20x = 33,160.80 × 8,952.80
  4. Step 4: Simplify right side
    22,107.20x = 296,882,010.24
  5. Step 5: Solve for x
    x = 296,882,010.24/22,107.20
  6. Step 6: Final answer
    x = 13,429.20

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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.