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Finding the Fourth Proportional to 36,201.30, 54,311.40 and 14,015.40

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Solution

The fourth proportional to 36,201.30, 54,311.40 and 14,015.40 is: 21,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.30 : 54,311.40 = 14,015.40 : x
  2. Step 2: Convert to fraction form
    36,201.30/54,311.40 = 14,015.40/x
  3. Step 3: Cross multiply
    36,201.30x = 54,311.40 × 14,015.40
  4. Step 4: Simplify right side
    36,201.30x = 761,195,995.56
  5. Step 5: Solve for x
    x = 761,195,995.56/36,201.30
  6. Step 6: Final answer
    x = 21,026.76

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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.