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Finding the Fourth Proportional to 22,395.28, 33,591.68 and 6,811.68

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Solution

The fourth proportional to 22,395.28, 33,591.68 and 6,811.68 is: 10,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.28 : 33,591.68 = 6,811.68 : x
  2. Step 2: Convert to fraction form
    22,395.28/33,591.68 = 6,811.68/x
  3. Step 3: Cross multiply
    22,395.28x = 33,591.68 × 6,811.68
  4. Step 4: Simplify right side
    22,395.28x = 228,815,774.82
  5. Step 5: Solve for x
    x = 228,815,774.82/22,395.28
  6. Step 6: Final answer
    x = 10,217.14

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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.