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Finding the Fourth Proportional to 39,846.94, 54,983.99 and 22,850.30

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Solution

The fourth proportional to 39,846.94, 54,983.99 and 22,850.30 is: 31,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.94 : 54,983.99 = 22,850.30 : x
  2. Step 2: Convert to fraction form
    39,846.94/54,983.99 = 22,850.30/x
  3. Step 3: Cross multiply
    39,846.94x = 54,983.99 × 22,850.30
  4. Step 4: Simplify right side
    39,846.94x = 1,256,400,797.02
  5. Step 5: Solve for x
    x = 1,256,400,797.02/39,846.94
  6. Step 6: Final answer
    x = 31,530.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.