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Finding the Fourth Proportional to 5,493.93, 7,581.75 and 3,255.78

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Solution

The fourth proportional to 5,493.93, 7,581.75 and 3,255.78 is: 4,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.93 : 7,581.75 = 3,255.78 : x
  2. Step 2: Convert to fraction form
    5,493.93/7,581.75 = 3,255.78/x
  3. Step 3: Cross multiply
    5,493.93x = 7,581.75 × 3,255.78
  4. Step 4: Simplify right side
    5,493.93x = 24,684,510.02
  5. Step 5: Solve for x
    x = 24,684,510.02/5,493.93
  6. Step 6: Final answer
    x = 4,493.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.