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Finding the Fourth Proportional to 47,201.27, 65,138.19 and 25,980.69

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Solution

The fourth proportional to 47,201.27, 65,138.19 and 25,980.69 is: 35,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.27 : 65,138.19 = 25,980.69 : x
  2. Step 2: Convert to fraction form
    47,201.27/65,138.19 = 25,980.69/x
  3. Step 3: Cross multiply
    47,201.27x = 65,138.19 × 25,980.69
  4. Step 4: Simplify right side
    47,201.27x = 1,692,335,121.55
  5. Step 5: Solve for x
    x = 1,692,335,121.55/47,201.27
  6. Step 6: Final answer
    x = 35,853.59

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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.