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Finding the Fourth Proportional to 36,245.44, 50,025 and 21,146.92

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Solution

The fourth proportional to 36,245.44, 50,025 and 21,146.92 is: 29,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.44 : 50,025 = 21,146.92 : x
  2. Step 2: Convert to fraction form
    36,245.44/50,025 = 21,146.92/x
  3. Step 3: Cross multiply
    36,245.44x = 50,025 × 21,146.92
  4. Step 4: Simplify right side
    36,245.44x = 1,057,874,673.00
  5. Step 5: Solve for x
    x = 1,057,874,673.00/36,245.44
  6. Step 6: Final answer
    x = 29,186.42

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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.