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Finding the Fourth Proportional to 22,392.45, 33,578.96 and 6,806.43

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Solution

The fourth proportional to 22,392.45, 33,578.96 and 6,806.43 is: 10,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.45 : 33,578.96 = 6,806.43 : x
  2. Step 2: Convert to fraction form
    22,392.45/33,578.96 = 6,806.43/x
  3. Step 3: Cross multiply
    22,392.45x = 33,578.96 × 6,806.43
  4. Step 4: Simplify right side
    22,392.45x = 228,552,806.68
  5. Step 5: Solve for x
    x = 228,552,806.68/22,392.45
  6. Step 6: Final answer
    x = 10,206.69

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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.