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Finding the Fourth Proportional to 1,662.66, 2,297.43 and 1,441.26

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Solution

The fourth proportional to 1,662.66, 2,297.43 and 1,441.26 is: 1,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.66 : 2,297.43 = 1,441.26 : x
  2. Step 2: Convert to fraction form
    1,662.66/2,297.43 = 1,441.26/x
  3. Step 3: Cross multiply
    1,662.66x = 2,297.43 × 1,441.26
  4. Step 4: Simplify right side
    1,662.66x = 3,311,193.96
  5. Step 5: Solve for x
    x = 3,311,193.96/1,662.66
  6. Step 6: Final answer
    x = 1,991.50

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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.