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Finding the Fourth Proportional to 1,832.61, 2,749.43 and 737.75

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Solution

The fourth proportional to 1,832.61, 2,749.43 and 737.75 is: 1,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.61 : 2,749.43 = 737.75 : x
  2. Step 2: Convert to fraction form
    1,832.61/2,749.43 = 737.75/x
  3. Step 3: Cross multiply
    1,832.61x = 2,749.43 × 737.75
  4. Step 4: Simplify right side
    1,832.61x = 2,028,391.98
  5. Step 5: Solve for x
    x = 2,028,391.98/1,832.61
  6. Step 6: Final answer
    x = 1,106.83

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Why These Related Problems?

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