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Finding the Fourth Proportional to 50,657.46, 75,939.74 and 19,469.22

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Solution

The fourth proportional to 50,657.46, 75,939.74 and 19,469.22 is: 29,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,657.46 : 75,939.74 = 19,469.22 : x
  2. Step 2: Convert to fraction form
    50,657.46/75,939.74 = 19,469.22/x
  3. Step 3: Cross multiply
    50,657.46x = 75,939.74 × 19,469.22
  4. Step 4: Simplify right side
    50,657.46x = 1,478,487,504.80
  5. Step 5: Solve for x
    x = 1,478,487,504.80/50,657.46
  6. Step 6: Final answer
    x = 29,185.98

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1.5x scale

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.