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Finding the Fourth Proportional to 12,469.80, 17,204.02 and 7,996.04

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Solution

The fourth proportional to 12,469.80, 17,204.02 and 7,996.04 is: 11,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.80 : 17,204.02 = 7,996.04 : x
  2. Step 2: Convert to fraction form
    12,469.80/17,204.02 = 7,996.04/x
  3. Step 3: Cross multiply
    12,469.80x = 17,204.02 × 7,996.04
  4. Step 4: Simplify right side
    12,469.80x = 137,564,032.08
  5. Step 5: Solve for x
    x = 137,564,032.08/12,469.80
  6. Step 6: Final answer
    x = 11,031.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.