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Finding the Fourth Proportional to 17,843.40, 26,764.26 and 8,476.56

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Solution

The fourth proportional to 17,843.40, 26,764.26 and 8,476.56 is: 12,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.40 : 26,764.26 = 8,476.56 : x
  2. Step 2: Convert to fraction form
    17,843.40/26,764.26 = 8,476.56/x
  3. Step 3: Cross multiply
    17,843.40x = 26,764.26 × 8,476.56
  4. Step 4: Simplify right side
    17,843.40x = 226,868,855.75
  5. Step 5: Solve for x
    x = 226,868,855.75/17,843.40
  6. Step 6: Final answer
    x = 12,714.44

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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.