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Finding the Fourth Proportional to 17,814.39, 26,734.72 and 8,454.44

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Solution

The fourth proportional to 17,814.39, 26,734.72 and 8,454.44 is: 12,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,814.39 : 26,734.72 = 8,454.44 : x
  2. Step 2: Convert to fraction form
    17,814.39/26,734.72 = 8,454.44/x
  3. Step 3: Cross multiply
    17,814.39x = 26,734.72 × 8,454.44
  4. Step 4: Simplify right side
    17,814.39x = 226,027,086.16
  5. Step 5: Solve for x
    x = 226,027,086.16/17,814.39
  6. Step 6: Final answer
    x = 12,687.89

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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.