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Finding the Fourth Proportional to 6,372.38, 8,791.44 and 4,697.77

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Solution

The fourth proportional to 6,372.38, 8,791.44 and 4,697.77 is: 6,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.38 : 8,791.44 = 4,697.77 : x
  2. Step 2: Convert to fraction form
    6,372.38/8,791.44 = 4,697.77/x
  3. Step 3: Cross multiply
    6,372.38x = 8,791.44 × 4,697.77
  4. Step 4: Simplify right side
    6,372.38x = 41,300,164.70
  5. Step 5: Solve for x
    x = 41,300,164.70/6,372.38
  6. Step 6: Final answer
    x = 6,481.12

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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.