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Finding the Fourth Proportional to 8,017.72, 11,063.98 and 4,481.16

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Solution

The fourth proportional to 8,017.72, 11,063.98 and 4,481.16 is: 6,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.72 : 11,063.98 = 4,481.16 : x
  2. Step 2: Convert to fraction form
    8,017.72/11,063.98 = 4,481.16/x
  3. Step 3: Cross multiply
    8,017.72x = 11,063.98 × 4,481.16
  4. Step 4: Simplify right side
    8,017.72x = 49,579,464.62
  5. Step 5: Solve for x
    x = 49,579,464.62/8,017.72
  6. Step 6: Final answer
    x = 6,183.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.