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Finding the Fourth Proportional to 22,645.43, 33,965.08 and 8,609.00

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Solution

The fourth proportional to 22,645.43, 33,965.08 and 8,609.00 is: 12,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.43 : 33,965.08 = 8,609.00 : x
  2. Step 2: Convert to fraction form
    22,645.43/33,965.08 = 8,609.00/x
  3. Step 3: Cross multiply
    22,645.43x = 33,965.08 × 8,609.00
  4. Step 4: Simplify right side
    22,645.43x = 292,405,182.37
  5. Step 5: Solve for x
    x = 292,405,182.37/22,645.43
  6. Step 6: Final answer
    x = 12,912.33

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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.