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Finding the Fourth Proportional to 50,757.84, 76,136.76 and 15,697.80

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Solution

The fourth proportional to 50,757.84, 76,136.76 and 15,697.80 is: 23,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,757.84 : 76,136.76 = 15,697.80 : x
  2. Step 2: Convert to fraction form
    50,757.84/76,136.76 = 15,697.80/x
  3. Step 3: Cross multiply
    50,757.84x = 76,136.76 × 15,697.80
  4. Step 4: Simplify right side
    50,757.84x = 1,195,179,631.13
  5. Step 5: Solve for x
    x = 1,195,179,631.13/50,757.84
  6. Step 6: Final answer
    x = 23,546.70

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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.