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Finding the Fourth Proportional to 49,240.44, 73,860.66 and 21,519

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Solution

The fourth proportional to 49,240.44, 73,860.66 and 21,519 is: 32,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,240.44 : 73,860.66 = 21,519 : x
  2. Step 2: Convert to fraction form
    49,240.44/73,860.66 = 21,519/x
  3. Step 3: Cross multiply
    49,240.44x = 73,860.66 × 21,519
  4. Step 4: Simplify right side
    49,240.44x = 1,589,407,542.54
  5. Step 5: Solve for x
    x = 1,589,407,542.54/49,240.44
  6. Step 6: Final answer
    x = 32,278.50

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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.