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Finding the Fourth Proportional to 25,967.97, 38,936.37 and 11,910.38

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Solution

The fourth proportional to 25,967.97, 38,936.37 and 11,910.38 is: 17,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,967.97 : 38,936.37 = 11,910.38 : x
  2. Step 2: Convert to fraction form
    25,967.97/38,936.37 = 11,910.38/x
  3. Step 3: Cross multiply
    25,967.97x = 38,936.37 × 11,910.38
  4. Step 4: Simplify right side
    25,967.97x = 463,746,962.52
  5. Step 5: Solve for x
    x = 463,746,962.52/25,967.97
  6. Step 6: Final answer
    x = 17,858.42

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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.