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Finding the Fourth Proportional to 50,287.54, 75,431.31 and 12,846.31

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Solution

The fourth proportional to 50,287.54, 75,431.31 and 12,846.31 is: 19,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,287.54 : 75,431.31 = 12,846.31 : x
  2. Step 2: Convert to fraction form
    50,287.54/75,431.31 = 12,846.31/x
  3. Step 3: Cross multiply
    50,287.54x = 75,431.31 × 12,846.31
  4. Step 4: Simplify right side
    50,287.54x = 969,013,991.97
  5. Step 5: Solve for x
    x = 969,013,991.97/50,287.54
  6. Step 6: Final answer
    x = 19,269.47

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.