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Finding the Fourth Proportional to 33,155.44, 45,754.50 and 18,251.44

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Solution

The fourth proportional to 33,155.44, 45,754.50 and 18,251.44 is: 25,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.44 : 45,754.50 = 18,251.44 : x
  2. Step 2: Convert to fraction form
    33,155.44/45,754.50 = 18,251.44/x
  3. Step 3: Cross multiply
    33,155.44x = 45,754.50 × 18,251.44
  4. Step 4: Simplify right side
    33,155.44x = 835,085,465.54
  5. Step 5: Solve for x
    x = 835,085,465.54/33,155.44
  6. Step 6: Final answer
    x = 25,186.98

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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.