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Finding the Fourth Proportional to 9,967, 14,951.74 and 3,392.68

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Solution

The fourth proportional to 9,967, 14,951.74 and 3,392.68 is: 5,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967 : 14,951.74 = 3,392.68 : x
  2. Step 2: Convert to fraction form
    9,967/14,951.74 = 3,392.68/x
  3. Step 3: Cross multiply
    9,967x = 14,951.74 × 3,392.68
  4. Step 4: Simplify right side
    9,967x = 50,726,469.26
  5. Step 5: Solve for x
    x = 50,726,469.26/9,967
  6. Step 6: Final answer
    x = 5,089.44

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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.