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Finding the Fourth Proportional to 2,194.62, 3,292.62 and 1,371.76

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Solution

The fourth proportional to 2,194.62, 3,292.62 and 1,371.76 is: 2,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.62 : 3,292.62 = 1,371.76 : x
  2. Step 2: Convert to fraction form
    2,194.62/3,292.62 = 1,371.76/x
  3. Step 3: Cross multiply
    2,194.62x = 3,292.62 × 1,371.76
  4. Step 4: Simplify right side
    2,194.62x = 4,516,684.41
  5. Step 5: Solve for x
    x = 4,516,684.41/2,194.62
  6. Step 6: Final answer
    x = 2,058.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.