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Finding the Fourth Proportional to 22,512.05, 33,759.97 and 7,716.99

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Solution

The fourth proportional to 22,512.05, 33,759.97 and 7,716.99 is: 11,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.05 : 33,759.97 = 7,716.99 : x
  2. Step 2: Convert to fraction form
    22,512.05/33,759.97 = 7,716.99/x
  3. Step 3: Cross multiply
    22,512.05x = 33,759.97 × 7,716.99
  4. Step 4: Simplify right side
    22,512.05x = 260,525,331.60
  5. Step 5: Solve for x
    x = 260,525,331.60/22,512.05
  6. Step 6: Final answer
    x = 11,572.71

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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.