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Finding the Fourth Proportional to 34,751.97, 47,958.45 and 19,643.73

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Solution

The fourth proportional to 34,751.97, 47,958.45 and 19,643.73 is: 27,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.97 : 47,958.45 = 19,643.73 : x
  2. Step 2: Convert to fraction form
    34,751.97/47,958.45 = 19,643.73/x
  3. Step 3: Cross multiply
    34,751.97x = 47,958.45 × 19,643.73
  4. Step 4: Simplify right side
    34,751.97x = 942,082,843.02
  5. Step 5: Solve for x
    x = 942,082,843.02/34,751.97
  6. Step 6: Final answer
    x = 27,108.76

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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.