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Finding the Fourth Proportional to 16,686, 23,027.04 and 9,234

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Solution

The fourth proportional to 16,686, 23,027.04 and 9,234 is: 12,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686 : 23,027.04 = 9,234 : x
  2. Step 2: Convert to fraction form
    16,686/23,027.04 = 9,234/x
  3. Step 3: Cross multiply
    16,686x = 23,027.04 × 9,234
  4. Step 4: Simplify right side
    16,686x = 212,631,687.36
  5. Step 5: Solve for x
    x = 212,631,687.36/16,686
  6. Step 6: Final answer
    x = 12,743.12

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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.