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Finding the Fourth Proportional to 17,181.44, 25,776.72 and 5,494.88

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Solution

The fourth proportional to 17,181.44, 25,776.72 and 5,494.88 is: 8,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.44 : 25,776.72 = 5,494.88 : x
  2. Step 2: Convert to fraction form
    17,181.44/25,776.72 = 5,494.88/x
  3. Step 3: Cross multiply
    17,181.44x = 25,776.72 × 5,494.88
  4. Step 4: Simplify right side
    17,181.44x = 141,639,983.19
  5. Step 5: Solve for x
    x = 141,639,983.19/17,181.44
  6. Step 6: Final answer
    x = 8,243.78

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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.