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Finding the Fourth Proportional to 7,967.75, 11,956.76 and 3,350.75

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Solution

The fourth proportional to 7,967.75, 11,956.76 and 3,350.75 is: 5,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.75 : 11,956.76 = 3,350.75 : x
  2. Step 2: Convert to fraction form
    7,967.75/11,956.76 = 3,350.75/x
  3. Step 3: Cross multiply
    7,967.75x = 11,956.76 × 3,350.75
  4. Step 4: Simplify right side
    7,967.75x = 40,064,096.82
  5. Step 5: Solve for x
    x = 40,064,096.82/7,967.75
  6. Step 6: Final answer
    x = 5,028.28

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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.