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Finding the Fourth Proportional to 50,611.44, 75,919.20 and 19,018.20

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Solution

The fourth proportional to 50,611.44, 75,919.20 and 19,018.20 is: 28,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.44 : 75,919.20 = 19,018.20 : x
  2. Step 2: Convert to fraction form
    50,611.44/75,919.20 = 19,018.20/x
  3. Step 3: Cross multiply
    50,611.44x = 75,919.20 × 19,018.20
  4. Step 4: Simplify right side
    50,611.44x = 1,443,846,529.44
  5. Step 5: Solve for x
    x = 1,443,846,529.44/50,611.44
  6. Step 6: Final answer
    x = 28,528.07

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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.