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Finding the Fourth Proportional to 33,163.50, 45,765.68 and 18,259.50

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Solution

The fourth proportional to 33,163.50, 45,765.68 and 18,259.50 is: 25,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,163.50 : 45,765.68 = 18,259.50 : x
  2. Step 2: Convert to fraction form
    33,163.50/45,765.68 = 18,259.50/x
  3. Step 3: Cross multiply
    33,163.50x = 45,765.68 × 18,259.50
  4. Step 4: Simplify right side
    33,163.50x = 835,658,342.66
  5. Step 5: Solve for x
    x = 835,658,342.66/33,163.50
  6. Step 6: Final answer
    x = 25,198.13

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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.