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Finding the Fourth Proportional to 11,483.27, 17,217.16 and 3,984.90

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Solution

The fourth proportional to 11,483.27, 17,217.16 and 3,984.90 is: 5,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.27 : 17,217.16 = 3,984.90 : x
  2. Step 2: Convert to fraction form
    11,483.27/17,217.16 = 3,984.90/x
  3. Step 3: Cross multiply
    11,483.27x = 17,217.16 × 3,984.90
  4. Step 4: Simplify right side
    11,483.27x = 68,608,586.36
  5. Step 5: Solve for x
    x = 68,608,586.36/11,483.27
  6. Step 6: Final answer
    x = 5,974.66

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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.