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Finding the Fourth Proportional to 3,954.72, 5,936.26 and 1,764.96

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Solution

The fourth proportional to 3,954.72, 5,936.26 and 1,764.96 is: 2,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.72 : 5,936.26 = 1,764.96 : x
  2. Step 2: Convert to fraction form
    3,954.72/5,936.26 = 1,764.96/x
  3. Step 3: Cross multiply
    3,954.72x = 5,936.26 × 1,764.96
  4. Step 4: Simplify right side
    3,954.72x = 10,477,261.45
  5. Step 5: Solve for x
    x = 10,477,261.45/3,954.72
  6. Step 6: Final answer
    x = 2,649.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.