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Finding the Fourth Proportional to 18,009.82, 27,014.74 and 4,862.18

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Solution

The fourth proportional to 18,009.82, 27,014.74 and 4,862.18 is: 7,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.82 : 27,014.74 = 4,862.18 : x
  2. Step 2: Convert to fraction form
    18,009.82/27,014.74 = 4,862.18/x
  3. Step 3: Cross multiply
    18,009.82x = 27,014.74 × 4,862.18
  4. Step 4: Simplify right side
    18,009.82x = 131,350,528.53
  5. Step 5: Solve for x
    x = 131,350,528.53/18,009.82
  6. Step 6: Final answer
    x = 7,293.27

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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.