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Finding the Fourth Proportional to 16,699, 23,046.30 and 9,247

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Solution

The fourth proportional to 16,699, 23,046.30 and 9,247 is: 12,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699 : 23,046.30 = 9,247 : x
  2. Step 2: Convert to fraction form
    16,699/23,046.30 = 9,247/x
  3. Step 3: Cross multiply
    16,699x = 23,046.30 × 9,247
  4. Step 4: Simplify right side
    16,699x = 213,109,136.10
  5. Step 5: Solve for x
    x = 213,109,136.10/16,699
  6. Step 6: Final answer
    x = 12,761.79

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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.