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Finding the Fourth Proportional to 36,851.99, 50,857.54 and 20,724.37

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Solution

The fourth proportional to 36,851.99, 50,857.54 and 20,724.37 is: 28,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.99 : 50,857.54 = 20,724.37 : x
  2. Step 2: Convert to fraction form
    36,851.99/50,857.54 = 20,724.37/x
  3. Step 3: Cross multiply
    36,851.99x = 50,857.54 × 20,724.37
  4. Step 4: Simplify right side
    36,851.99x = 1,053,990,528.06
  5. Step 5: Solve for x
    x = 1,053,990,528.06/36,851.99
  6. Step 6: Final answer
    x = 28,600.64

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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.