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Finding the Fourth Proportional to 36,481.61, 50,344.65 and 19,714.61

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Solution

The fourth proportional to 36,481.61, 50,344.65 and 19,714.61 is: 27,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.61 : 50,344.65 = 19,714.61 : x
  2. Step 2: Convert to fraction form
    36,481.61/50,344.65 = 19,714.61/x
  3. Step 3: Cross multiply
    36,481.61x = 50,344.65 × 19,714.61
  4. Step 4: Simplify right side
    36,481.61x = 992,524,888.61
  5. Step 5: Solve for x
    x = 992,524,888.61/36,481.61
  6. Step 6: Final answer
    x = 27,206.17

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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.