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Finding the Fourth Proportional to 36,523.99, 50,399.44 and 21,208.20

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Solution

The fourth proportional to 36,523.99, 50,399.44 and 21,208.20 is: 29,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,523.99 : 50,399.44 = 21,208.20 : x
  2. Step 2: Convert to fraction form
    36,523.99/50,399.44 = 21,208.20/x
  3. Step 3: Cross multiply
    36,523.99x = 50,399.44 × 21,208.20
  4. Step 4: Simplify right side
    36,523.99x = 1,068,881,403.41
  5. Step 5: Solve for x
    x = 1,068,881,403.41/36,523.99
  6. Step 6: Final answer
    x = 29,265.19

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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.