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Finding the Fourth Proportional to 3,956.55, 5,934.69 and 1,359.48

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Solution

The fourth proportional to 3,956.55, 5,934.69 and 1,359.48 is: 2,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.55 : 5,934.69 = 1,359.48 : x
  2. Step 2: Convert to fraction form
    3,956.55/5,934.69 = 1,359.48/x
  3. Step 3: Cross multiply
    3,956.55x = 5,934.69 × 1,359.48
  4. Step 4: Simplify right side
    3,956.55x = 8,068,092.36
  5. Step 5: Solve for x
    x = 8,068,092.36/3,956.55
  6. Step 6: Final answer
    x = 2,039.17

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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.