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Finding the Fourth Proportional to 49,420.94, 68,200.78 and 26,759.94

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Solution

The fourth proportional to 49,420.94, 68,200.78 and 26,759.94 is: 36,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.94 : 68,200.78 = 26,759.94 : x
  2. Step 2: Convert to fraction form
    49,420.94/68,200.78 = 26,759.94/x
  3. Step 3: Cross multiply
    49,420.94x = 68,200.78 × 26,759.94
  4. Step 4: Simplify right side
    49,420.94x = 1,825,048,780.75
  5. Step 5: Solve for x
    x = 1,825,048,780.75/49,420.94
  6. Step 6: Final answer
    x = 36,928.65

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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.