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Finding the Fourth Proportional to 22,189.68, 33,286.68 and 6,395.58

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Solution

The fourth proportional to 22,189.68, 33,286.68 and 6,395.58 is: 9,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.68 : 33,286.68 = 6,395.58 : x
  2. Step 2: Convert to fraction form
    22,189.68/33,286.68 = 6,395.58/x
  3. Step 3: Cross multiply
    22,189.68x = 33,286.68 × 6,395.58
  4. Step 4: Simplify right side
    22,189.68x = 212,887,624.87
  5. Step 5: Solve for x
    x = 212,887,624.87/22,189.68
  6. Step 6: Final answer
    x = 9,593.99

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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.