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Finding the Fourth Proportional to 2,314.64, 3,195.25 and 1,608.86

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Solution

The fourth proportional to 2,314.64, 3,195.25 and 1,608.86 is: 2,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.64 : 3,195.25 = 1,608.86 : x
  2. Step 2: Convert to fraction form
    2,314.64/3,195.25 = 1,608.86/x
  3. Step 3: Cross multiply
    2,314.64x = 3,195.25 × 1,608.86
  4. Step 4: Simplify right side
    2,314.64x = 5,140,713.88
  5. Step 5: Solve for x
    x = 5,140,713.88/2,314.64
  6. Step 6: Final answer
    x = 2,220.95

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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.