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Finding the Fourth Proportional to 33,191.71, 45,804.54 and 18,287.71

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Solution

The fourth proportional to 33,191.71, 45,804.54 and 18,287.71 is: 25,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,191.71 : 45,804.54 = 18,287.71 : x
  2. Step 2: Convert to fraction form
    33,191.71/45,804.54 = 18,287.71/x
  3. Step 3: Cross multiply
    33,191.71x = 45,804.54 × 18,287.71
  4. Step 4: Simplify right side
    33,191.71x = 837,660,144.20
  5. Step 5: Solve for x
    x = 837,660,144.20/33,191.71
  6. Step 6: Final answer
    x = 25,237.03

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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.