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Finding the Fourth Proportional to 36,753.75, 50,720.54 and 19,987.11

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Solution

The fourth proportional to 36,753.75, 50,720.54 and 19,987.11 is: 27,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753.75 : 50,720.54 = 19,987.11 : x
  2. Step 2: Convert to fraction form
    36,753.75/50,720.54 = 19,987.11/x
  3. Step 3: Cross multiply
    36,753.75x = 50,720.54 × 19,987.11
  4. Step 4: Simplify right side
    36,753.75x = 1,013,756,912.30
  5. Step 5: Solve for x
    x = 1,013,756,912.30/36,753.75
  6. Step 6: Final answer
    x = 27,582.41

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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.