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Finding the Fourth Proportional to 14,469.66, 21,704.52 and 6,147.48

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Solution

The fourth proportional to 14,469.66, 21,704.52 and 6,147.48 is: 9,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.66 : 21,704.52 = 6,147.48 : x
  2. Step 2: Convert to fraction form
    14,469.66/21,704.52 = 6,147.48/x
  3. Step 3: Cross multiply
    14,469.66x = 21,704.52 × 6,147.48
  4. Step 4: Simplify right side
    14,469.66x = 133,428,102.61
  5. Step 5: Solve for x
    x = 133,428,102.61/14,469.66
  6. Step 6: Final answer
    x = 9,221.23

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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.