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Finding the Fourth Proportional to 2,993.71, 4,131.37 and 1,717.80

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Solution

The fourth proportional to 2,993.71, 4,131.37 and 1,717.80 is: 2,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.71 : 4,131.37 = 1,717.80 : x
  2. Step 2: Convert to fraction form
    2,993.71/4,131.37 = 1,717.80/x
  3. Step 3: Cross multiply
    2,993.71x = 4,131.37 × 1,717.80
  4. Step 4: Simplify right side
    2,993.71x = 7,096,850.19
  5. Step 5: Solve for x
    x = 7,096,850.19/2,993.71
  6. Step 6: Final answer
    x = 2,370.59

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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.