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Finding the Fourth Proportional to 2,252.70, 3,392.18 and 1,671.79

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Solution

The fourth proportional to 2,252.70, 3,392.18 and 1,671.79 is: 2,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.70 : 3,392.18 = 1,671.79 : x
  2. Step 2: Convert to fraction form
    2,252.70/3,392.18 = 1,671.79/x
  3. Step 3: Cross multiply
    2,252.70x = 3,392.18 × 1,671.79
  4. Step 4: Simplify right side
    2,252.70x = 5,671,012.60
  5. Step 5: Solve for x
    x = 5,671,012.60/2,252.70
  6. Step 6: Final answer
    x = 2,517.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.