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Finding the Fourth Proportional to 36,820.01, 50,811.64 and 20,467.22

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Solution

The fourth proportional to 36,820.01, 50,811.64 and 20,467.22 is: 28,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.01 : 50,811.64 = 20,467.22 : x
  2. Step 2: Convert to fraction form
    36,820.01/50,811.64 = 20,467.22/x
  3. Step 3: Cross multiply
    36,820.01x = 50,811.64 × 20,467.22
  4. Step 4: Simplify right side
    36,820.01x = 1,039,972,709.21
  5. Step 5: Solve for x
    x = 1,039,972,709.21/36,820.01
  6. Step 6: Final answer
    x = 28,244.77

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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.