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Finding the Fourth Proportional to 18,292.56, 27,438.60 and 4,441.68

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Solution

The fourth proportional to 18,292.56, 27,438.60 and 4,441.68 is: 6,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.56 : 27,438.60 = 4,441.68 : x
  2. Step 2: Convert to fraction form
    18,292.56/27,438.60 = 4,441.68/x
  3. Step 3: Cross multiply
    18,292.56x = 27,438.60 × 4,441.68
  4. Step 4: Simplify right side
    18,292.56x = 121,873,480.85
  5. Step 5: Solve for x
    x = 121,873,480.85/18,292.56
  6. Step 6: Final answer
    x = 6,662.46

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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.