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Finding the Fourth Proportional to 34,806.96, 48,033.31 and 18,891.41

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Solution

The fourth proportional to 34,806.96, 48,033.31 and 18,891.41 is: 26,069.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.96 : 48,033.31 = 18,891.41 : x
  2. Step 2: Convert to fraction form
    34,806.96/48,033.31 = 18,891.41/x
  3. Step 3: Cross multiply
    34,806.96x = 48,033.31 × 18,891.41
  4. Step 4: Simplify right side
    34,806.96x = 907,416,952.87
  5. Step 5: Solve for x
    x = 907,416,952.87/34,806.96
  6. Step 6: Final answer
    x = 26,069.99

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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.