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Finding the Fourth Proportional to 6,442.93, 8,893.21 and 3,754.94

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Solution

The fourth proportional to 6,442.93, 8,893.21 and 3,754.94 is: 5,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.93 : 8,893.21 = 3,754.94 : x
  2. Step 2: Convert to fraction form
    6,442.93/8,893.21 = 3,754.94/x
  3. Step 3: Cross multiply
    6,442.93x = 8,893.21 × 3,754.94
  4. Step 4: Simplify right side
    6,442.93x = 33,393,469.96
  5. Step 5: Solve for x
    x = 33,393,469.96/6,442.93
  6. Step 6: Final answer
    x = 5,182.97

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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.