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Finding the Fourth Proportional to 11,889.53, 17,834.48 and 5,650.19

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Solution

The fourth proportional to 11,889.53, 17,834.48 and 5,650.19 is: 8,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.53 : 17,834.48 = 5,650.19 : x
  2. Step 2: Convert to fraction form
    11,889.53/17,834.48 = 5,650.19/x
  3. Step 3: Cross multiply
    11,889.53x = 17,834.48 × 5,650.19
  4. Step 4: Simplify right side
    11,889.53x = 100,768,171.20
  5. Step 5: Solve for x
    x = 100,768,171.20/11,889.53
  6. Step 6: Final answer
    x = 8,475.37

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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.