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Finding the Fourth Proportional to 36,163.40, 54,201.90 and 18,624.20

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Solution

The fourth proportional to 36,163.40, 54,201.90 and 18,624.20 is: 27,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163.40 : 54,201.90 = 18,624.20 : x
  2. Step 2: Convert to fraction form
    36,163.40/54,201.90 = 18,624.20/x
  3. Step 3: Cross multiply
    36,163.40x = 54,201.90 × 18,624.20
  4. Step 4: Simplify right side
    36,163.40x = 1,009,467,025.98
  5. Step 5: Solve for x
    x = 1,009,467,025.98/36,163.40
  6. Step 6: Final answer
    x = 27,914.05

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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.