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Finding the Fourth Proportional to 33,065, 45,632.76 and 18,163.88

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Solution

The fourth proportional to 33,065, 45,632.76 and 18,163.88 is: 25,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065 : 45,632.76 = 18,163.88 : x
  2. Step 2: Convert to fraction form
    33,065/45,632.76 = 18,163.88/x
  3. Step 3: Cross multiply
    33,065x = 45,632.76 × 18,163.88
  4. Step 4: Simplify right side
    33,065x = 828,867,976.71
  5. Step 5: Solve for x
    x = 828,867,976.71/33,065
  6. Step 6: Final answer
    x = 25,067.84

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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.