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Finding the Fourth Proportional to 2,749.33, 3,794.04 and 1,490.39

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Solution

The fourth proportional to 2,749.33, 3,794.04 and 1,490.39 is: 2,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.33 : 3,794.04 = 1,490.39 : x
  2. Step 2: Convert to fraction form
    2,749.33/3,794.04 = 1,490.39/x
  3. Step 3: Cross multiply
    2,749.33x = 3,794.04 × 1,490.39
  4. Step 4: Simplify right side
    2,749.33x = 5,654,580.31
  5. Step 5: Solve for x
    x = 5,654,580.31/2,749.33
  6. Step 6: Final answer
    x = 2,056.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.