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Finding the Fourth Proportional to 1,932.99, 2,672.78 and 1,901.73

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Solution

The fourth proportional to 1,932.99, 2,672.78 and 1,901.73 is: 2,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.99 : 2,672.78 = 1,901.73 : x
  2. Step 2: Convert to fraction form
    1,932.99/2,672.78 = 1,901.73/x
  3. Step 3: Cross multiply
    1,932.99x = 2,672.78 × 1,901.73
  4. Step 4: Simplify right side
    1,932.99x = 5,082,896.40
  5. Step 5: Solve for x
    x = 5,082,896.40/1,932.99
  6. Step 6: Final answer
    x = 2,629.55

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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.