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Finding the Fourth Proportional to 11,059.92, 16,591.08 and 5,514.66

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Solution

The fourth proportional to 11,059.92, 16,591.08 and 5,514.66 is: 8,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.92 : 16,591.08 = 5,514.66 : x
  2. Step 2: Convert to fraction form
    11,059.92/16,591.08 = 5,514.66/x
  3. Step 3: Cross multiply
    11,059.92x = 16,591.08 × 5,514.66
  4. Step 4: Simplify right side
    11,059.92x = 91,494,165.23
  5. Step 5: Solve for x
    x = 91,494,165.23/11,059.92
  6. Step 6: Final answer
    x = 8,272.59

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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.