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Finding the Fourth Proportional to 32,635.82, 45,039.22 and 18,491.42

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Solution

The fourth proportional to 32,635.82, 45,039.22 and 18,491.42 is: 25,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,635.82 : 45,039.22 = 18,491.42 : x
  2. Step 2: Convert to fraction form
    32,635.82/45,039.22 = 18,491.42/x
  3. Step 3: Cross multiply
    32,635.82x = 45,039.22 × 18,491.42
  4. Step 4: Simplify right side
    32,635.82x = 832,839,133.49
  5. Step 5: Solve for x
    x = 832,839,133.49/32,635.82
  6. Step 6: Final answer
    x = 25,519.17

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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.