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Finding the Fourth Proportional to 4,855.04, 6,691.04 and 3,968

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Solution

The fourth proportional to 4,855.04, 6,691.04 and 3,968 is: 5,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.04 : 6,691.04 = 3,968 : x
  2. Step 2: Convert to fraction form
    4,855.04/6,691.04 = 3,968/x
  3. Step 3: Cross multiply
    4,855.04x = 6,691.04 × 3,968
  4. Step 4: Simplify right side
    4,855.04x = 26,550,046.72
  5. Step 5: Solve for x
    x = 26,550,046.72/4,855.04
  6. Step 6: Final answer
    x = 5,468.55

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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.