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Finding the Fourth Proportional to 33,809.57, 50,726.04 and 12,755.64

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Solution

The fourth proportional to 33,809.57, 50,726.04 and 12,755.64 is: 19,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,809.57 : 50,726.04 = 12,755.64 : x
  2. Step 2: Convert to fraction form
    33,809.57/50,726.04 = 12,755.64/x
  3. Step 3: Cross multiply
    33,809.57x = 50,726.04 × 12,755.64
  4. Step 4: Simplify right side
    33,809.57x = 647,043,041.09
  5. Step 5: Solve for x
    x = 647,043,041.09/33,809.57
  6. Step 6: Final answer
    x = 19,137.87

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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.