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Finding the Fourth Proportional to 8,894.62, 13,343.38 and 2,738.62

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Solution

The fourth proportional to 8,894.62, 13,343.38 and 2,738.62 is: 4,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.62 : 13,343.38 = 2,738.62 : x
  2. Step 2: Convert to fraction form
    8,894.62/13,343.38 = 2,738.62/x
  3. Step 3: Cross multiply
    8,894.62x = 13,343.38 × 2,738.62
  4. Step 4: Simplify right side
    8,894.62x = 36,542,447.34
  5. Step 5: Solve for x
    x = 36,542,447.34/8,894.62
  6. Step 6: Final answer
    x = 4,108.38

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1.5x scale

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.