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Finding the Fourth Proportional to 12,933, 17,849.97 and 7,344

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Solution

The fourth proportional to 12,933, 17,849.97 and 7,344 is: 10,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933 : 17,849.97 = 7,344 : x
  2. Step 2: Convert to fraction form
    12,933/17,849.97 = 7,344/x
  3. Step 3: Cross multiply
    12,933x = 17,849.97 × 7,344
  4. Step 4: Simplify right side
    12,933x = 131,090,179.68
  5. Step 5: Solve for x
    x = 131,090,179.68/12,933
  6. Step 6: Final answer
    x = 10,136.10

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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.