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Finding the Fourth Proportional to 1,628.10, 2,440.02 and 737.97

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Solution

The fourth proportional to 1,628.10, 2,440.02 and 737.97 is: 1,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.10 : 2,440.02 = 737.97 : x
  2. Step 2: Convert to fraction form
    1,628.10/2,440.02 = 737.97/x
  3. Step 3: Cross multiply
    1,628.10x = 2,440.02 × 737.97
  4. Step 4: Simplify right side
    1,628.10x = 1,800,661.56
  5. Step 5: Solve for x
    x = 1,800,661.56/1,628.10
  6. Step 6: Final answer
    x = 1,105.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.