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Finding the Fourth Proportional to 9,469.80, 14,209.20 and 6,351.30

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Solution

The fourth proportional to 9,469.80, 14,209.20 and 6,351.30 is: 9,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.80 : 14,209.20 = 6,351.30 : x
  2. Step 2: Convert to fraction form
    9,469.80/14,209.20 = 6,351.30/x
  3. Step 3: Cross multiply
    9,469.80x = 14,209.20 × 6,351.30
  4. Step 4: Simplify right side
    9,469.80x = 90,246,891.96
  5. Step 5: Solve for x
    x = 90,246,891.96/9,469.80
  6. Step 6: Final answer
    x = 9,529.97

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1.5x scale

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.