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Finding the Fourth Proportional to 6,161.86, 8,494.83 and 4,169.26

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Solution

The fourth proportional to 6,161.86, 8,494.83 and 4,169.26 is: 5,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.86 : 8,494.83 = 4,169.26 : x
  2. Step 2: Convert to fraction form
    6,161.86/8,494.83 = 4,169.26/x
  3. Step 3: Cross multiply
    6,161.86x = 8,494.83 × 4,169.26
  4. Step 4: Simplify right side
    6,161.86x = 35,417,154.93
  5. Step 5: Solve for x
    x = 35,417,154.93/6,161.86
  6. Step 6: Final answer
    x = 5,747.80

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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.