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Finding the Fourth Proportional to 36,540.99, 50,428.01 and 20,625.99

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Solution

The fourth proportional to 36,540.99, 50,428.01 and 20,625.99 is: 28,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.99 : 50,428.01 = 20,625.99 : x
  2. Step 2: Convert to fraction form
    36,540.99/50,428.01 = 20,625.99/x
  3. Step 3: Cross multiply
    36,540.99x = 50,428.01 × 20,625.99
  4. Step 4: Simplify right side
    36,540.99x = 1,040,127,526.85
  5. Step 5: Solve for x
    x = 1,040,127,526.85/36,540.99
  6. Step 6: Final answer
    x = 28,464.68

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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.