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Finding the Fourth Proportional to 6,100.44, 9,128.76 and 3,898.86

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Solution

The fourth proportional to 6,100.44, 9,128.76 and 3,898.86 is: 5,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.44 : 9,128.76 = 3,898.86 : x
  2. Step 2: Convert to fraction form
    6,100.44/9,128.76 = 3,898.86/x
  3. Step 3: Cross multiply
    6,100.44x = 9,128.76 × 3,898.86
  4. Step 4: Simplify right side
    6,100.44x = 35,591,757.21
  5. Step 5: Solve for x
    x = 35,591,757.21/6,100.44
  6. Step 6: Final answer
    x = 5,834.29

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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.