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Finding the Fourth Proportional to 34,715.99, 47,907.97 and 18,800.43

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Solution

The fourth proportional to 34,715.99, 47,907.97 and 18,800.43 is: 25,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.99 : 47,907.97 = 18,800.43 : x
  2. Step 2: Convert to fraction form
    34,715.99/47,907.97 = 18,800.43/x
  3. Step 3: Cross multiply
    34,715.99x = 47,907.97 × 18,800.43
  4. Step 4: Simplify right side
    34,715.99x = 900,690,436.43
  5. Step 5: Solve for x
    x = 900,690,436.43/34,715.99
  6. Step 6: Final answer
    x = 25,944.54

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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.