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Finding the Fourth Proportional to 4,883.21, 6,738.95 and 2,893.44

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Solution

The fourth proportional to 4,883.21, 6,738.95 and 2,893.44 is: 3,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.21 : 6,738.95 = 2,893.44 : x
  2. Step 2: Convert to fraction form
    4,883.21/6,738.95 = 2,893.44/x
  3. Step 3: Cross multiply
    4,883.21x = 6,738.95 × 2,893.44
  4. Step 4: Simplify right side
    4,883.21x = 19,498,733.02
  5. Step 5: Solve for x
    x = 19,498,733.02/4,883.21
  6. Step 6: Final answer
    x = 3,993.02

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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.