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Finding the Fourth Proportional to 2,244.64, 3,361.20 and 1,376.32

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Solution

The fourth proportional to 2,244.64, 3,361.20 and 1,376.32 is: 2,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.64 : 3,361.20 = 1,376.32 : x
  2. Step 2: Convert to fraction form
    2,244.64/3,361.20 = 1,376.32/x
  3. Step 3: Cross multiply
    2,244.64x = 3,361.20 × 1,376.32
  4. Step 4: Simplify right side
    2,244.64x = 4,626,086.78
  5. Step 5: Solve for x
    x = 4,626,086.78/2,244.64
  6. Step 6: Final answer
    x = 2,060.95

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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.