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Finding the Fourth Proportional to 17,909.24, 26,863.92 and 6,222.56

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Solution

The fourth proportional to 17,909.24, 26,863.92 and 6,222.56 is: 9,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.24 : 26,863.92 = 6,222.56 : x
  2. Step 2: Convert to fraction form
    17,909.24/26,863.92 = 6,222.56/x
  3. Step 3: Cross multiply
    17,909.24x = 26,863.92 × 6,222.56
  4. Step 4: Simplify right side
    17,909.24x = 167,162,354.04
  5. Step 5: Solve for x
    x = 167,162,354.04/17,909.24
  6. Step 6: Final answer
    x = 9,333.86

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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.