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Finding the Fourth Proportional to 5,943.55, 8,183.80 and 5,279.25

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Solution

The fourth proportional to 5,943.55, 8,183.80 and 5,279.25 is: 7,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.55 : 8,183.80 = 5,279.25 : x
  2. Step 2: Convert to fraction form
    5,943.55/8,183.80 = 5,279.25/x
  3. Step 3: Cross multiply
    5,943.55x = 8,183.80 × 5,279.25
  4. Step 4: Simplify right side
    5,943.55x = 43,204,326.15
  5. Step 5: Solve for x
    x = 43,204,326.15/5,943.55
  6. Step 6: Final answer
    x = 7,269.11

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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.