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Finding the Fourth Proportional to 32,651.23, 45,061.39 and 18,310.81

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Solution

The fourth proportional to 32,651.23, 45,061.39 and 18,310.81 is: 25,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.23 : 45,061.39 = 18,310.81 : x
  2. Step 2: Convert to fraction form
    32,651.23/45,061.39 = 18,310.81/x
  3. Step 3: Cross multiply
    32,651.23x = 45,061.39 × 18,310.81
  4. Step 4: Simplify right side
    32,651.23x = 825,110,493.85
  5. Step 5: Solve for x
    x = 825,110,493.85/32,651.23
  6. Step 6: Final answer
    x = 25,270.43

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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.