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Finding the Fourth Proportional to 17,794.56, 26,691.80 and 16,712

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Solution

The fourth proportional to 17,794.56, 26,691.80 and 16,712 is: 25,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.56 : 26,691.80 = 16,712 : x
  2. Step 2: Convert to fraction form
    17,794.56/26,691.80 = 16,712/x
  3. Step 3: Cross multiply
    17,794.56x = 26,691.80 × 16,712
  4. Step 4: Simplify right side
    17,794.56x = 446,073,361.60
  5. Step 5: Solve for x
    x = 446,073,361.60/17,794.56
  6. Step 6: Final answer
    x = 25,067.96

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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.