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Finding the Fourth Proportional to 36,258.54, 54,427.54 and 28,809.98

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Solution

The fourth proportional to 36,258.54, 54,427.54 and 28,809.98 is: 43,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258.54 : 54,427.54 = 28,809.98 : x
  2. Step 2: Convert to fraction form
    36,258.54/54,427.54 = 28,809.98/x
  3. Step 3: Cross multiply
    36,258.54x = 54,427.54 × 28,809.98
  4. Step 4: Simplify right side
    36,258.54x = 1,568,056,338.85
  5. Step 5: Solve for x
    x = 1,568,056,338.85/36,258.54
  6. Step 6: Final answer
    x = 43,246.54

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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.