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Finding the Fourth Proportional to 8,119.41, 11,203.43 and 4,581.60

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Solution

The fourth proportional to 8,119.41, 11,203.43 and 4,581.60 is: 6,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.41 : 11,203.43 = 4,581.60 : x
  2. Step 2: Convert to fraction form
    8,119.41/11,203.43 = 4,581.60/x
  3. Step 3: Cross multiply
    8,119.41x = 11,203.43 × 4,581.60
  4. Step 4: Simplify right side
    8,119.41x = 51,329,611.98
  5. Step 5: Solve for x
    x = 51,329,611.98/8,119.41
  6. Step 6: Final answer
    x = 6,321.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.