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Finding the Fourth Proportional to 7,754.13, 11,635.04 and 3,074.04

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Solution

The fourth proportional to 7,754.13, 11,635.04 and 3,074.04 is: 4,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.13 : 11,635.04 = 3,074.04 : x
  2. Step 2: Convert to fraction form
    7,754.13/11,635.04 = 3,074.04/x
  3. Step 3: Cross multiply
    7,754.13x = 11,635.04 × 3,074.04
  4. Step 4: Simplify right side
    7,754.13x = 35,766,586.05
  5. Step 5: Solve for x
    x = 35,766,586.05/7,754.13
  6. Step 6: Final answer
    x = 4,612.59

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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.