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Finding the Fourth Proportional to 2,707.70, 3,736.94 and 1,659.96

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Solution

The fourth proportional to 2,707.70, 3,736.94 and 1,659.96 is: 2,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.70 : 3,736.94 = 1,659.96 : x
  2. Step 2: Convert to fraction form
    2,707.70/3,736.94 = 1,659.96/x
  3. Step 3: Cross multiply
    2,707.70x = 3,736.94 × 1,659.96
  4. Step 4: Simplify right side
    2,707.70x = 6,203,162.62
  5. Step 5: Solve for x
    x = 6,203,162.62/2,707.70
  6. Step 6: Final answer
    x = 2,290.94

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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.