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Finding the Fourth Proportional to 4,956.53, 6,839.97 and 2,718.55

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Solution

The fourth proportional to 4,956.53, 6,839.97 and 2,718.55 is: 3,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.53 : 6,839.97 = 2,718.55 : x
  2. Step 2: Convert to fraction form
    4,956.53/6,839.97 = 2,718.55/x
  3. Step 3: Cross multiply
    4,956.53x = 6,839.97 × 2,718.55
  4. Step 4: Simplify right side
    4,956.53x = 18,594,800.44
  5. Step 5: Solve for x
    x = 18,594,800.44/4,956.53
  6. Step 6: Final answer
    x = 3,751.58

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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.