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Finding the Fourth Proportional to 18,495.26, 27,742.90 and 6,183.26

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Solution

The fourth proportional to 18,495.26, 27,742.90 and 6,183.26 is: 9,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.26 : 27,742.90 = 6,183.26 : x
  2. Step 2: Convert to fraction form
    18,495.26/27,742.90 = 6,183.26/x
  3. Step 3: Cross multiply
    18,495.26x = 27,742.90 × 6,183.26
  4. Step 4: Simplify right side
    18,495.26x = 171,541,563.85
  5. Step 5: Solve for x
    x = 171,541,563.85/18,495.26
  6. Step 6: Final answer
    x = 9,274.89

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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.