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Finding the Fourth Proportional to 36,777.72, 50,753.76 and 20,010.72

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Solution

The fourth proportional to 36,777.72, 50,753.76 and 20,010.72 is: 27,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777.72 : 50,753.76 = 20,010.72 : x
  2. Step 2: Convert to fraction form
    36,777.72/50,753.76 = 20,010.72/x
  3. Step 3: Cross multiply
    36,777.72x = 50,753.76 × 20,010.72
  4. Step 4: Simplify right side
    36,777.72x = 1,015,619,280.31
  5. Step 5: Solve for x
    x = 1,015,619,280.31/36,777.72
  6. Step 6: Final answer
    x = 27,615.07

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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.