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Finding the Fourth Proportional to 2,670.44, 4,003.43 and 1,850.31

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Solution

The fourth proportional to 2,670.44, 4,003.43 and 1,850.31 is: 2,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.44 : 4,003.43 = 1,850.31 : x
  2. Step 2: Convert to fraction form
    2,670.44/4,003.43 = 1,850.31/x
  3. Step 3: Cross multiply
    2,670.44x = 4,003.43 × 1,850.31
  4. Step 4: Simplify right side
    2,670.44x = 7,407,577.31
  5. Step 5: Solve for x
    x = 7,407,577.31/2,670.44
  6. Step 6: Final answer
    x = 2,773.92

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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.