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Finding the Fourth Proportional to 36,869.01, 50,879.12 and 20,102.01

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Solution

The fourth proportional to 36,869.01, 50,879.12 and 20,102.01 is: 27,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,869.01 : 50,879.12 = 20,102.01 : x
  2. Step 2: Convert to fraction form
    36,869.01/50,879.12 = 20,102.01/x
  3. Step 3: Cross multiply
    36,869.01x = 50,879.12 × 20,102.01
  4. Step 4: Simplify right side
    36,869.01x = 1,022,772,478.52
  5. Step 5: Solve for x
    x = 1,022,772,478.52/36,869.01
  6. Step 6: Final answer
    x = 27,740.71

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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.