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Finding the Fourth Proportional to 17,863.92, 26,777.48 and 12,022.20

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Solution

The fourth proportional to 17,863.92, 26,777.48 and 12,022.20 is: 18,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.92 : 26,777.48 = 12,022.20 : x
  2. Step 2: Convert to fraction form
    17,863.92/26,777.48 = 12,022.20/x
  3. Step 3: Cross multiply
    17,863.92x = 26,777.48 × 12,022.20
  4. Step 4: Simplify right side
    17,863.92x = 321,924,220.06
  5. Step 5: Solve for x
    x = 321,924,220.06/17,863.92
  6. Step 6: Final answer
    x = 18,020.92

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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.