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Finding the Fourth Proportional to 11,995.52, 17,995.92 and 3,676.68

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Solution

The fourth proportional to 11,995.52, 17,995.92 and 3,676.68 is: 5,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.52 : 17,995.92 = 3,676.68 : x
  2. Step 2: Convert to fraction form
    11,995.52/17,995.92 = 3,676.68/x
  3. Step 3: Cross multiply
    11,995.52x = 17,995.92 × 3,676.68
  4. Step 4: Simplify right side
    11,995.52x = 66,165,239.15
  5. Step 5: Solve for x
    x = 66,165,239.15/11,995.52
  6. Step 6: Final answer
    x = 5,515.83

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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.