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Finding the Fourth Proportional to 36,165, 54,245.34 and 11,205.12

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Solution

The fourth proportional to 36,165, 54,245.34 and 11,205.12 is: 16,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,165 : 54,245.34 = 11,205.12 : x
  2. Step 2: Convert to fraction form
    36,165/54,245.34 = 11,205.12/x
  3. Step 3: Cross multiply
    36,165x = 54,245.34 × 11,205.12
  4. Step 4: Simplify right side
    36,165x = 607,825,544.14
  5. Step 5: Solve for x
    x = 607,825,544.14/36,165
  6. Step 6: Final answer
    x = 16,807.01

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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.