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Finding the Fourth Proportional to 17,407.97, 26,103.17 and 8,523.98

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Solution

The fourth proportional to 17,407.97, 26,103.17 and 8,523.98 is: 12,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.97 : 26,103.17 = 8,523.98 : x
  2. Step 2: Convert to fraction form
    17,407.97/26,103.17 = 8,523.98/x
  3. Step 3: Cross multiply
    17,407.97x = 26,103.17 × 8,523.98
  4. Step 4: Simplify right side
    17,407.97x = 222,502,725.88
  5. Step 5: Solve for x
    x = 222,502,725.88/17,407.97
  6. Step 6: Final answer
    x = 12,781.66

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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.