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Finding the Fourth Proportional to 22,401.74, 33,596.48 and 8,361.20

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Solution

The fourth proportional to 22,401.74, 33,596.48 and 8,361.20 is: 12,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.74 : 33,596.48 = 8,361.20 : x
  2. Step 2: Convert to fraction form
    22,401.74/33,596.48 = 8,361.20/x
  3. Step 3: Cross multiply
    22,401.74x = 33,596.48 × 8,361.20
  4. Step 4: Simplify right side
    22,401.74x = 280,906,888.58
  5. Step 5: Solve for x
    x = 280,906,888.58/22,401.74
  6. Step 6: Final answer
    x = 12,539.51

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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.