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Finding the Fourth Proportional to 36,762.72, 50,732.76 and 20,844.24

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Solution

The fourth proportional to 36,762.72, 50,732.76 and 20,844.24 is: 28,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,762.72 : 50,732.76 = 20,844.24 : x
  2. Step 2: Convert to fraction form
    36,762.72/50,732.76 = 20,844.24/x
  3. Step 3: Cross multiply
    36,762.72x = 50,732.76 × 20,844.24
  4. Step 4: Simplify right side
    36,762.72x = 1,057,485,825.30
  5. Step 5: Solve for x
    x = 1,057,485,825.30/36,762.72
  6. Step 6: Final answer
    x = 28,765.17

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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.