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Finding the Fourth Proportional to 3,954.49, 5,934.53 and 1,874.95

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Solution

The fourth proportional to 3,954.49, 5,934.53 and 1,874.95 is: 2,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.49 : 5,934.53 = 1,874.95 : x
  2. Step 2: Convert to fraction form
    3,954.49/5,934.53 = 1,874.95/x
  3. Step 3: Cross multiply
    3,954.49x = 5,934.53 × 1,874.95
  4. Step 4: Simplify right side
    3,954.49x = 11,126,936.87
  5. Step 5: Solve for x
    x = 11,126,936.87/3,954.49
  6. Step 6: Final answer
    x = 2,813.75

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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.