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Finding the Fourth Proportional to 17,894.88, 26,822.68 and 8,020.56

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Solution

The fourth proportional to 17,894.88, 26,822.68 and 8,020.56 is: 12,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.88 : 26,822.68 = 8,020.56 : x
  2. Step 2: Convert to fraction form
    17,894.88/26,822.68 = 8,020.56/x
  3. Step 3: Cross multiply
    17,894.88x = 26,822.68 × 8,020.56
  4. Step 4: Simplify right side
    17,894.88x = 215,132,914.30
  5. Step 5: Solve for x
    x = 215,132,914.30/17,894.88
  6. Step 6: Final answer
    x = 12,022.04

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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.