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Finding the Fourth Proportional to 36,485.10, 50,352.03 and 20,571.03

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Solution

The fourth proportional to 36,485.10, 50,352.03 and 20,571.03 is: 28,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.10 : 50,352.03 = 20,571.03 : x
  2. Step 2: Convert to fraction form
    36,485.10/50,352.03 = 20,571.03/x
  3. Step 3: Cross multiply
    36,485.10x = 50,352.03 × 20,571.03
  4. Step 4: Simplify right side
    36,485.10x = 1,035,793,119.69
  5. Step 5: Solve for x
    x = 1,035,793,119.69/36,485.10
  6. Step 6: Final answer
    x = 28,389.48

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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.