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Finding the Fourth Proportional to 1,651.89, 2,279.63 and 1,062.62

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Solution

The fourth proportional to 1,651.89, 2,279.63 and 1,062.62 is: 1,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.89 : 2,279.63 = 1,062.62 : x
  2. Step 2: Convert to fraction form
    1,651.89/2,279.63 = 1,062.62/x
  3. Step 3: Cross multiply
    1,651.89x = 2,279.63 × 1,062.62
  4. Step 4: Simplify right side
    1,651.89x = 2,422,380.43
  5. Step 5: Solve for x
    x = 2,422,380.43/1,651.89
  6. Step 6: Final answer
    x = 1,466.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.