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Finding the Fourth Proportional to 33,918.80, 46,810.82 and 18,816.33

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Solution

The fourth proportional to 33,918.80, 46,810.82 and 18,816.33 is: 25,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.80 : 46,810.82 = 18,816.33 : x
  2. Step 2: Convert to fraction form
    33,918.80/46,810.82 = 18,816.33/x
  3. Step 3: Cross multiply
    33,918.80x = 46,810.82 × 18,816.33
  4. Step 4: Simplify right side
    33,918.80x = 880,807,883.73
  5. Step 5: Solve for x
    x = 880,807,883.73/33,918.80
  6. Step 6: Final answer
    x = 25,968.13

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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.