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Finding the Fourth Proportional to 9,272.70, 13,899.69 and 6,351.90

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Solution

The fourth proportional to 9,272.70, 13,899.69 and 6,351.90 is: 9,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.70 : 13,899.69 = 6,351.90 : x
  2. Step 2: Convert to fraction form
    9,272.70/13,899.69 = 6,351.90/x
  3. Step 3: Cross multiply
    9,272.70x = 13,899.69 × 6,351.90
  4. Step 4: Simplify right side
    9,272.70x = 88,289,440.91
  5. Step 5: Solve for x
    x = 88,289,440.91/9,272.70
  6. Step 6: Final answer
    x = 9,521.44

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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.