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Finding the Fourth Proportional to 36,481.79, 50,344.94 and 19,714.79

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Solution

The fourth proportional to 36,481.79, 50,344.94 and 19,714.79 is: 27,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.79 : 50,344.94 = 19,714.79 : x
  2. Step 2: Convert to fraction form
    36,481.79/50,344.94 = 19,714.79/x
  3. Step 3: Cross multiply
    36,481.79x = 50,344.94 × 19,714.79
  4. Step 4: Simplify right side
    36,481.79x = 992,540,094.81
  5. Step 5: Solve for x
    x = 992,540,094.81/36,481.79
  6. Step 6: Final answer
    x = 27,206.45

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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.