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Finding the Fourth Proportional to 36,803.52, 50,789.16 and 20,036.52

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Solution

The fourth proportional to 36,803.52, 50,789.16 and 20,036.52 is: 27,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,803.52 : 50,789.16 = 20,036.52 : x
  2. Step 2: Convert to fraction form
    36,803.52/50,789.16 = 20,036.52/x
  3. Step 3: Cross multiply
    36,803.52x = 50,789.16 × 20,036.52
  4. Step 4: Simplify right side
    36,803.52x = 1,017,638,020.12
  5. Step 5: Solve for x
    x = 1,017,638,020.12/36,803.52
  6. Step 6: Final answer
    x = 27,650.56

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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.