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Finding the Fourth Proportional to 18,682.44, 25,781.46 and 10,184.52

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Solution

The fourth proportional to 18,682.44, 25,781.46 and 10,184.52 is: 14,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.44 : 25,781.46 = 10,184.52 : x
  2. Step 2: Convert to fraction form
    18,682.44/25,781.46 = 10,184.52/x
  3. Step 3: Cross multiply
    18,682.44x = 25,781.46 × 10,184.52
  4. Step 4: Simplify right side
    18,682.44x = 262,571,795.00
  5. Step 5: Solve for x
    x = 262,571,795.00/18,682.44
  6. Step 6: Final answer
    x = 14,054.47

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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.