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Finding the Fourth Proportional to 2,733.39, 3,772.05 and 1,491.39

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Solution

The fourth proportional to 2,733.39, 3,772.05 and 1,491.39 is: 2,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.39 : 3,772.05 = 1,491.39 : x
  2. Step 2: Convert to fraction form
    2,733.39/3,772.05 = 1,491.39/x
  3. Step 3: Cross multiply
    2,733.39x = 3,772.05 × 1,491.39
  4. Step 4: Simplify right side
    2,733.39x = 5,625,597.65
  5. Step 5: Solve for x
    x = 5,625,597.65/2,733.39
  6. Step 6: Final answer
    x = 2,058.10

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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.