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Finding the Fourth Proportional to 16,903, 23,327.22 and 9,451

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Solution

The fourth proportional to 16,903, 23,327.22 and 9,451 is: 13,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903 : 23,327.22 = 9,451 : x
  2. Step 2: Convert to fraction form
    16,903/23,327.22 = 9,451/x
  3. Step 3: Cross multiply
    16,903x = 23,327.22 × 9,451
  4. Step 4: Simplify right side
    16,903x = 220,465,556.22
  5. Step 5: Solve for x
    x = 220,465,556.22/16,903
  6. Step 6: Final answer
    x = 13,042.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.