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Finding the Fourth Proportional to 26,873.20, 40,295.40 and 11,273.20

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Solution

The fourth proportional to 26,873.20, 40,295.40 and 11,273.20 is: 16,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,873.20 : 40,295.40 = 11,273.20 : x
  2. Step 2: Convert to fraction form
    26,873.20/40,295.40 = 11,273.20/x
  3. Step 3: Cross multiply
    26,873.20x = 40,295.40 × 11,273.20
  4. Step 4: Simplify right side
    26,873.20x = 454,258,103.28
  5. Step 5: Solve for x
    x = 454,258,103.28/26,873.20
  6. Step 6: Final answer
    x = 16,903.76

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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.