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Finding the Fourth Proportional to 36,679.52, 50,616.96 and 19,912.52

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Solution

The fourth proportional to 36,679.52, 50,616.96 and 19,912.52 is: 27,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.52 : 50,616.96 = 19,912.52 : x
  2. Step 2: Convert to fraction form
    36,679.52/50,616.96 = 19,912.52/x
  3. Step 3: Cross multiply
    36,679.52x = 50,616.96 × 19,912.52
  4. Step 4: Simplify right side
    36,679.52x = 1,007,911,228.34
  5. Step 5: Solve for x
    x = 1,007,911,228.34/36,679.52
  6. Step 6: Final answer
    x = 27,478.86

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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.