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Finding the Fourth Proportional to 18,334.44, 27,482.86 and 7,236.64

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Solution

The fourth proportional to 18,334.44, 27,482.86 and 7,236.64 is: 10,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.44 : 27,482.86 = 7,236.64 : x
  2. Step 2: Convert to fraction form
    18,334.44/27,482.86 = 7,236.64/x
  3. Step 3: Cross multiply
    18,334.44x = 27,482.86 × 7,236.64
  4. Step 4: Simplify right side
    18,334.44x = 198,883,563.99
  5. Step 5: Solve for x
    x = 198,883,563.99/18,334.44
  6. Step 6: Final answer
    x = 10,847.54

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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.