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Finding the Fourth Proportional to 3,464.55, 4,781.03 and 1,892.61

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Solution

The fourth proportional to 3,464.55, 4,781.03 and 1,892.61 is: 2,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.55 : 4,781.03 = 1,892.61 : x
  2. Step 2: Convert to fraction form
    3,464.55/4,781.03 = 1,892.61/x
  3. Step 3: Cross multiply
    3,464.55x = 4,781.03 × 1,892.61
  4. Step 4: Simplify right side
    3,464.55x = 9,048,615.73
  5. Step 5: Solve for x
    x = 9,048,615.73/3,464.55
  6. Step 6: Final answer
    x = 2,611.77

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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.