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Finding the Fourth Proportional to 2,751.16, 3,796.74 and 1,755.64

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Solution

The fourth proportional to 2,751.16, 3,796.74 and 1,755.64 is: 2,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.16 : 3,796.74 = 1,755.64 : x
  2. Step 2: Convert to fraction form
    2,751.16/3,796.74 = 1,755.64/x
  3. Step 3: Cross multiply
    2,751.16x = 3,796.74 × 1,755.64
  4. Step 4: Simplify right side
    2,751.16x = 6,665,708.61
  5. Step 5: Solve for x
    x = 6,665,708.61/2,751.16
  6. Step 6: Final answer
    x = 2,422.87

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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.