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Finding the Fourth Proportional to 36,627.78, 50,546.02 and 20,712.78

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Solution

The fourth proportional to 36,627.78, 50,546.02 and 20,712.78 is: 28,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,627.78 : 50,546.02 = 20,712.78 : x
  2. Step 2: Convert to fraction form
    36,627.78/50,546.02 = 20,712.78/x
  3. Step 3: Cross multiply
    36,627.78x = 50,546.02 × 20,712.78
  4. Step 4: Simplify right side
    36,627.78x = 1,046,948,592.14
  5. Step 5: Solve for x
    x = 1,046,948,592.14/36,627.78
  6. Step 6: Final answer
    x = 28,583.46

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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.