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Finding the Fourth Proportional to 7,469.69, 11,201.92 and 2,203.30

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Solution

The fourth proportional to 7,469.69, 11,201.92 and 2,203.30 is: 3,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.69 : 11,201.92 = 2,203.30 : x
  2. Step 2: Convert to fraction form
    7,469.69/11,201.92 = 2,203.30/x
  3. Step 3: Cross multiply
    7,469.69x = 11,201.92 × 2,203.30
  4. Step 4: Simplify right side
    7,469.69x = 24,681,190.34
  5. Step 5: Solve for x
    x = 24,681,190.34/7,469.69
  6. Step 6: Final answer
    x = 3,304.18

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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.