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Finding the Fourth Proportional to 3,255.95, 4,493.17 and 1,763.78

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Solution

The fourth proportional to 3,255.95, 4,493.17 and 1,763.78 is: 2,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.95 : 4,493.17 = 1,763.78 : x
  2. Step 2: Convert to fraction form
    3,255.95/4,493.17 = 1,763.78/x
  3. Step 3: Cross multiply
    3,255.95x = 4,493.17 × 1,763.78
  4. Step 4: Simplify right side
    3,255.95x = 7,924,940.92
  5. Step 5: Solve for x
    x = 7,924,940.92/3,255.95
  6. Step 6: Final answer
    x = 2,433.99

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1.5x scale

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.