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Finding the Fourth Proportional to 3,494.41, 4,822.61 and 2,002.81

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Solution

The fourth proportional to 3,494.41, 4,822.61 and 2,002.81 is: 2,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.41 : 4,822.61 = 2,002.81 : x
  2. Step 2: Convert to fraction form
    3,494.41/4,822.61 = 2,002.81/x
  3. Step 3: Cross multiply
    3,494.41x = 4,822.61 × 2,002.81
  4. Step 4: Simplify right side
    3,494.41x = 9,658,771.53
  5. Step 5: Solve for x
    x = 9,658,771.53/3,494.41
  6. Step 6: Final answer
    x = 2,764.06

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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.