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Finding the Fourth Proportional to 36,492.89, 50,360.16 and 19,725.89

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Solution

The fourth proportional to 36,492.89, 50,360.16 and 19,725.89 is: 27,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.89 : 50,360.16 = 19,725.89 : x
  2. Step 2: Convert to fraction form
    36,492.89/50,360.16 = 19,725.89/x
  3. Step 3: Cross multiply
    36,492.89x = 50,360.16 × 19,725.89
  4. Step 4: Simplify right side
    36,492.89x = 993,398,976.54
  5. Step 5: Solve for x
    x = 993,398,976.54/36,492.89
  6. Step 6: Final answer
    x = 27,221.71

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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.