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Finding the Fourth Proportional to 1,908.42, 2,634.03 and 1,162.62

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Solution

The fourth proportional to 1,908.42, 2,634.03 and 1,162.62 is: 1,604.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.42 : 2,634.03 = 1,162.62 : x
  2. Step 2: Convert to fraction form
    1,908.42/2,634.03 = 1,162.62/x
  3. Step 3: Cross multiply
    1,908.42x = 2,634.03 × 1,162.62
  4. Step 4: Simplify right side
    1,908.42x = 3,062,375.96
  5. Step 5: Solve for x
    x = 3,062,375.96/1,908.42
  6. Step 6: Final answer
    x = 1,604.67

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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.