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Finding the Fourth Proportional to 2,733.48, 3,772.19 and 1,491.48

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Solution

The fourth proportional to 2,733.48, 3,772.19 and 1,491.48 is: 2,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.48 : 3,772.19 = 1,491.48 : x
  2. Step 2: Convert to fraction form
    2,733.48/3,772.19 = 1,491.48/x
  3. Step 3: Cross multiply
    2,733.48x = 3,772.19 × 1,491.48
  4. Step 4: Simplify right side
    2,733.48x = 5,626,138.48
  5. Step 5: Solve for x
    x = 5,626,138.48/2,733.48
  6. Step 6: Final answer
    x = 2,058.23

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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.