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Finding the Fourth Proportional to 11,194.40, 16,791.60 and 11,021.60

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Solution

The fourth proportional to 11,194.40, 16,791.60 and 11,021.60 is: 16,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.40 : 16,791.60 = 11,021.60 : x
  2. Step 2: Convert to fraction form
    11,194.40/16,791.60 = 11,021.60/x
  3. Step 3: Cross multiply
    11,194.40x = 16,791.60 × 11,021.60
  4. Step 4: Simplify right side
    11,194.40x = 185,070,298.56
  5. Step 5: Solve for x
    x = 185,070,298.56/11,194.40
  6. Step 6: Final answer
    x = 16,532.40

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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.