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Finding the Fourth Proportional to 4,993.96, 6,891.60 and 2,755.84

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Solution

The fourth proportional to 4,993.96, 6,891.60 and 2,755.84 is: 3,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.96 : 6,891.60 = 2,755.84 : x
  2. Step 2: Convert to fraction form
    4,993.96/6,891.60 = 2,755.84/x
  3. Step 3: Cross multiply
    4,993.96x = 6,891.60 × 2,755.84
  4. Step 4: Simplify right side
    4,993.96x = 18,992,146.94
  5. Step 5: Solve for x
    x = 18,992,146.94/4,993.96
  6. Step 6: Final answer
    x = 3,803.02

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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.