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Finding the Fourth Proportional to 49,869, 68,814.30 and 34,794.07

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Solution

The fourth proportional to 49,869, 68,814.30 and 34,794.07 is: 48,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869 : 68,814.30 = 34,794.07 : x
  2. Step 2: Convert to fraction form
    49,869/68,814.30 = 34,794.07/x
  3. Step 3: Cross multiply
    49,869x = 68,814.30 × 34,794.07
  4. Step 4: Simplify right side
    49,869x = 2,394,329,571.20
  5. Step 5: Solve for x
    x = 2,394,329,571.20/49,869
  6. Step 6: Final answer
    x = 48,012.38

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1.5x scale

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.