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Finding the Fourth Proportional to 36,309.96, 50,113.20 and 22,170.96

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Solution

The fourth proportional to 36,309.96, 50,113.20 and 22,170.96 is: 30,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.96 : 50,113.20 = 22,170.96 : x
  2. Step 2: Convert to fraction form
    36,309.96/50,113.20 = 22,170.96/x
  3. Step 3: Cross multiply
    36,309.96x = 50,113.20 × 22,170.96
  4. Step 4: Simplify right side
    36,309.96x = 1,111,057,752.67
  5. Step 5: Solve for x
    x = 1,111,057,752.67/36,309.96
  6. Step 6: Final answer
    x = 30,599.26

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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.