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Finding the Fourth Proportional to 36,708.60, 50,661.02 and 20,795.88

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Solution

The fourth proportional to 36,708.60, 50,661.02 and 20,795.88 is: 28,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708.60 : 50,661.02 = 20,795.88 : x
  2. Step 2: Convert to fraction form
    36,708.60/50,661.02 = 20,795.88/x
  3. Step 3: Cross multiply
    36,708.60x = 50,661.02 × 20,795.88
  4. Step 4: Simplify right side
    36,708.60x = 1,053,540,388.62
  5. Step 5: Solve for x
    x = 1,053,540,388.62/36,708.60
  6. Step 6: Final answer
    x = 28,700.10

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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.