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Finding the Fourth Proportional to 12,166.82, 18,250.23 and 2,932.82

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Solution

The fourth proportional to 12,166.82, 18,250.23 and 2,932.82 is: 4,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.82 : 18,250.23 = 2,932.82 : x
  2. Step 2: Convert to fraction form
    12,166.82/18,250.23 = 2,932.82/x
  3. Step 3: Cross multiply
    12,166.82x = 18,250.23 × 2,932.82
  4. Step 4: Simplify right side
    12,166.82x = 53,524,639.55
  5. Step 5: Solve for x
    x = 53,524,639.55/12,166.82
  6. Step 6: Final answer
    x = 4,399.23

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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.