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Finding the Fourth Proportional to 49,793.88, 74,664.90 and 14,728.80

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Solution

The fourth proportional to 49,793.88, 74,664.90 and 14,728.80 is: 22,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.88 : 74,664.90 = 14,728.80 : x
  2. Step 2: Convert to fraction form
    49,793.88/74,664.90 = 14,728.80/x
  3. Step 3: Cross multiply
    49,793.88x = 74,664.90 × 14,728.80
  4. Step 4: Simplify right side
    49,793.88x = 1,099,724,379.12
  5. Step 5: Solve for x
    x = 1,099,724,379.12/49,793.88
  6. Step 6: Final answer
    x = 22,085.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.