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Finding the Fourth Proportional to 47,189.40, 65,121.83 and 25,969.15

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Solution

The fourth proportional to 47,189.40, 65,121.83 and 25,969.15 is: 35,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.40 : 65,121.83 = 25,969.15 : x
  2. Step 2: Convert to fraction form
    47,189.40/65,121.83 = 25,969.15/x
  3. Step 3: Cross multiply
    47,189.40x = 65,121.83 × 25,969.15
  4. Step 4: Simplify right side
    47,189.40x = 1,691,158,571.54
  5. Step 5: Solve for x
    x = 1,691,158,571.54/47,189.40
  6. Step 6: Final answer
    x = 35,837.68

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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.