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Finding the Fourth Proportional to 49,846.87, 68,786.25 and 29,703.30

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Solution

The fourth proportional to 49,846.87, 68,786.25 and 29,703.30 is: 40,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.87 : 68,786.25 = 29,703.30 : x
  2. Step 2: Convert to fraction form
    49,846.87/68,786.25 = 29,703.30/x
  3. Step 3: Cross multiply
    49,846.87x = 68,786.25 × 29,703.30
  4. Step 4: Simplify right side
    49,846.87x = 2,043,178,619.63
  5. Step 5: Solve for x
    x = 2,043,178,619.63/49,846.87
  6. Step 6: Final answer
    x = 40,989.11

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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.