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Finding the Fourth Proportional to 6,331.60, 8,743.44 and 4,241.80

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Solution

The fourth proportional to 6,331.60, 8,743.44 and 4,241.80 is: 5,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.60 : 8,743.44 = 4,241.80 : x
  2. Step 2: Convert to fraction form
    6,331.60/8,743.44 = 4,241.80/x
  3. Step 3: Cross multiply
    6,331.60x = 8,743.44 × 4,241.80
  4. Step 4: Simplify right side
    6,331.60x = 37,087,923.79
  5. Step 5: Solve for x
    x = 37,087,923.79/6,331.60
  6. Step 6: Final answer
    x = 5,857.59

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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.