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Finding the Fourth Proportional to 47,137.82, 65,049.99 and 25,918.22

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Solution

The fourth proportional to 47,137.82, 65,049.99 and 25,918.22 is: 35,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.82 : 65,049.99 = 25,918.22 : x
  2. Step 2: Convert to fraction form
    47,137.82/65,049.99 = 25,918.22/x
  3. Step 3: Cross multiply
    47,137.82x = 65,049.99 × 25,918.22
  4. Step 4: Simplify right side
    47,137.82x = 1,685,979,951.82
  5. Step 5: Solve for x
    x = 1,685,979,951.82/47,137.82
  6. Step 6: Final answer
    x = 35,767.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.