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Finding the Fourth Proportional to 18,277.44, 27,427.44 and 7,182.18

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Solution

The fourth proportional to 18,277.44, 27,427.44 and 7,182.18 is: 10,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.44 : 27,427.44 = 7,182.18 : x
  2. Step 2: Convert to fraction form
    18,277.44/27,427.44 = 7,182.18/x
  3. Step 3: Cross multiply
    18,277.44x = 27,427.44 × 7,182.18
  4. Step 4: Simplify right side
    18,277.44x = 196,988,811.02
  5. Step 5: Solve for x
    x = 196,988,811.02/18,277.44
  6. Step 6: Final answer
    x = 10,777.70

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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.