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Finding the Fourth Proportional to 1,833.33, 2,749.32 and 737.40

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Solution

The fourth proportional to 1,833.33, 2,749.32 and 737.40 is: 1,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.33 : 2,749.32 = 737.40 : x
  2. Step 2: Convert to fraction form
    1,833.33/2,749.32 = 737.40/x
  3. Step 3: Cross multiply
    1,833.33x = 2,749.32 × 737.40
  4. Step 4: Simplify right side
    1,833.33x = 2,027,348.57
  5. Step 5: Solve for x
    x = 2,027,348.57/1,833.33
  6. Step 6: Final answer
    x = 1,105.83

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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.