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Finding the Fourth Proportional to 33,806.88, 50,730.48 and 18,826.56

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Solution

The fourth proportional to 33,806.88, 50,730.48 and 18,826.56 is: 28,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,806.88 : 50,730.48 = 18,826.56 : x
  2. Step 2: Convert to fraction form
    33,806.88/50,730.48 = 18,826.56/x
  3. Step 3: Cross multiply
    33,806.88x = 50,730.48 × 18,826.56
  4. Step 4: Simplify right side
    33,806.88x = 955,080,425.55
  5. Step 5: Solve for x
    x = 955,080,425.55/33,806.88
  6. Step 6: Final answer
    x = 28,251.07

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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.