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Finding the Fourth Proportional to 3,954.52, 5,933.04 and 2,105.56

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Solution

The fourth proportional to 3,954.52, 5,933.04 and 2,105.56 is: 3,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.52 : 5,933.04 = 2,105.56 : x
  2. Step 2: Convert to fraction form
    3,954.52/5,933.04 = 2,105.56/x
  3. Step 3: Cross multiply
    3,954.52x = 5,933.04 × 2,105.56
  4. Step 4: Simplify right side
    3,954.52x = 12,492,371.70
  5. Step 5: Solve for x
    x = 12,492,371.70/3,954.52
  6. Step 6: Final answer
    x = 3,159.01

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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.