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Finding the Fourth Proportional to 11,469.92, 17,204.88 and 3,679.34

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Solution

The fourth proportional to 11,469.92, 17,204.88 and 3,679.34 is: 5,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.92 : 17,204.88 = 3,679.34 : x
  2. Step 2: Convert to fraction form
    11,469.92/17,204.88 = 3,679.34/x
  3. Step 3: Cross multiply
    11,469.92x = 17,204.88 × 3,679.34
  4. Step 4: Simplify right side
    11,469.92x = 63,302,603.18
  5. Step 5: Solve for x
    x = 63,302,603.18/11,469.92
  6. Step 6: Final answer
    x = 5,519.01

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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.