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Finding the Fourth Proportional to 36,356.30, 50,169.21 and 20,443.22

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Solution

The fourth proportional to 36,356.30, 50,169.21 and 20,443.22 is: 28,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.30 : 50,169.21 = 20,443.22 : x
  2. Step 2: Convert to fraction form
    36,356.30/50,169.21 = 20,443.22/x
  3. Step 3: Cross multiply
    36,356.30x = 50,169.21 × 20,443.22
  4. Step 4: Simplify right side
    36,356.30x = 1,025,620,197.26
  5. Step 5: Solve for x
    x = 1,025,620,197.26/36,356.30
  6. Step 6: Final answer
    x = 28,210.25

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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.