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Finding the Fourth Proportional to 3,956.33, 5,934.50 and 1,491.70

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Solution

The fourth proportional to 3,956.33, 5,934.50 and 1,491.70 is: 2,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.33 : 5,934.50 = 1,491.70 : x
  2. Step 2: Convert to fraction form
    3,956.33/5,934.50 = 1,491.70/x
  3. Step 3: Cross multiply
    3,956.33x = 5,934.50 × 1,491.70
  4. Step 4: Simplify right side
    3,956.33x = 8,852,493.65
  5. Step 5: Solve for x
    x = 8,852,493.65/3,956.33
  6. Step 6: Final answer
    x = 2,237.55

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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.