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Finding the Fourth Proportional to 33,100.41, 45,673.50 and 18,759.42

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Solution

The fourth proportional to 33,100.41, 45,673.50 and 18,759.42 is: 25,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.41 : 45,673.50 = 18,759.42 : x
  2. Step 2: Convert to fraction form
    33,100.41/45,673.50 = 18,759.42/x
  3. Step 3: Cross multiply
    33,100.41x = 45,673.50 × 18,759.42
  4. Step 4: Simplify right side
    33,100.41x = 856,808,369.37
  5. Step 5: Solve for x
    x = 856,808,369.37/33,100.41
  6. Step 6: Final answer
    x = 25,885.13

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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.