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Finding the Fourth Proportional to 3,958.97, 5,934.83 and 1,492.11

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Solution

The fourth proportional to 3,958.97, 5,934.83 and 1,492.11 is: 2,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.97 : 5,934.83 = 1,492.11 : x
  2. Step 2: Convert to fraction form
    3,958.97/5,934.83 = 1,492.11/x
  3. Step 3: Cross multiply
    3,958.97x = 5,934.83 × 1,492.11
  4. Step 4: Simplify right side
    3,958.97x = 8,855,411.73
  5. Step 5: Solve for x
    x = 8,855,411.73/3,958.97
  6. Step 6: Final answer
    x = 2,236.80

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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.