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Finding the Fourth Proportional to 8,244.38, 12,361.10 and 2,695.78

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Solution

The fourth proportional to 8,244.38, 12,361.10 and 2,695.78 is: 4,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.38 : 12,361.10 = 2,695.78 : x
  2. Step 2: Convert to fraction form
    8,244.38/12,361.10 = 2,695.78/x
  3. Step 3: Cross multiply
    8,244.38x = 12,361.10 × 2,695.78
  4. Step 4: Simplify right side
    8,244.38x = 33,322,806.16
  5. Step 5: Solve for x
    x = 33,322,806.16/8,244.38
  6. Step 6: Final answer
    x = 4,041.88

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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.