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Finding the Fourth Proportional to 30,209.62, 41,694.62 and 22,591.12

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Solution

The fourth proportional to 30,209.62, 41,694.62 and 22,591.12 is: 31,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.62 : 41,694.62 = 22,591.12 : x
  2. Step 2: Convert to fraction form
    30,209.62/41,694.62 = 22,591.12/x
  3. Step 3: Cross multiply
    30,209.62x = 41,694.62 × 22,591.12
  4. Step 4: Simplify right side
    30,209.62x = 941,928,163.77
  5. Step 5: Solve for x
    x = 941,928,163.77/30,209.62
  6. Step 6: Final answer
    x = 31,179.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.