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Finding the Fourth Proportional to 9,118.53, 13,672.04 and 3,850.82

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Solution

The fourth proportional to 9,118.53, 13,672.04 and 3,850.82 is: 5,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.53 : 13,672.04 = 3,850.82 : x
  2. Step 2: Convert to fraction form
    9,118.53/13,672.04 = 3,850.82/x
  3. Step 3: Cross multiply
    9,118.53x = 13,672.04 × 3,850.82
  4. Step 4: Simplify right side
    9,118.53x = 52,648,477.46
  5. Step 5: Solve for x
    x = 52,648,477.46/9,118.53
  6. Step 6: Final answer
    x = 5,773.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.