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Finding the Fourth Proportional to 51,995.54, 77,996.56 and 20,826.74

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Solution

The fourth proportional to 51,995.54, 77,996.56 and 20,826.74 is: 31,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.54 : 77,996.56 = 20,826.74 : x
  2. Step 2: Convert to fraction form
    51,995.54/77,996.56 = 20,826.74/x
  3. Step 3: Cross multiply
    51,995.54x = 77,996.56 × 20,826.74
  4. Step 4: Simplify right side
    51,995.54x = 1,624,414,076.01
  5. Step 5: Solve for x
    x = 1,624,414,076.01/51,995.54
  6. Step 6: Final answer
    x = 31,241.41

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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.