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Finding the Fourth Proportional to 27,190.56, 37,520.56 and 18,236.44

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Solution

The fourth proportional to 27,190.56, 37,520.56 and 18,236.44 is: 25,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.56 : 37,520.56 = 18,236.44 : x
  2. Step 2: Convert to fraction form
    27,190.56/37,520.56 = 18,236.44/x
  3. Step 3: Cross multiply
    27,190.56x = 37,520.56 × 18,236.44
  4. Step 4: Simplify right side
    27,190.56x = 684,241,441.21
  5. Step 5: Solve for x
    x = 684,241,441.21/27,190.56
  6. Step 6: Final answer
    x = 25,164.67

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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.