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Finding the Fourth Proportional to 25,404, 38,107.08 and 6,936

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Solution

The fourth proportional to 25,404, 38,107.08 and 6,936 is: 10,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404 : 38,107.08 = 6,936 : x
  2. Step 2: Convert to fraction form
    25,404/38,107.08 = 6,936/x
  3. Step 3: Cross multiply
    25,404x = 38,107.08 × 6,936
  4. Step 4: Simplify right side
    25,404x = 264,310,706.88
  5. Step 5: Solve for x
    x = 264,310,706.88/25,404
  6. Step 6: Final answer
    x = 10,404.29

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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.