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Finding the Fourth Proportional to 33,485.94, 46,209.96 and 18,378.09

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Solution

The fourth proportional to 33,485.94, 46,209.96 and 18,378.09 is: 25,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.94 : 46,209.96 = 18,378.09 : x
  2. Step 2: Convert to fraction form
    33,485.94/46,209.96 = 18,378.09/x
  3. Step 3: Cross multiply
    33,485.94x = 46,209.96 × 18,378.09
  4. Step 4: Simplify right side
    33,485.94x = 849,250,803.78
  5. Step 5: Solve for x
    x = 849,250,803.78/33,485.94
  6. Step 6: Final answer
    x = 25,361.41

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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.