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Finding the Fourth Proportional to 36,803.20, 50,788.56 and 20,036.20

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Solution

The fourth proportional to 36,803.20, 50,788.56 and 20,036.20 is: 27,650.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,803.20 : 50,788.56 = 20,036.20 : x
  2. Step 2: Convert to fraction form
    36,803.20/50,788.56 = 20,036.20/x
  3. Step 3: Cross multiply
    36,803.20x = 50,788.56 × 20,036.20
  4. Step 4: Simplify right side
    36,803.20x = 1,017,609,745.87
  5. Step 5: Solve for x
    x = 1,017,609,745.87/36,803.20
  6. Step 6: Final answer
    x = 27,650.03

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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.