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Finding the Fourth Proportional to 36,141.00, 54,201.10 and 12,447.59

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Solution

The fourth proportional to 36,141.00, 54,201.10 and 12,447.59 is: 18,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,141.00 : 54,201.10 = 12,447.59 : x
  2. Step 2: Convert to fraction form
    36,141.00/54,201.10 = 12,447.59/x
  3. Step 3: Cross multiply
    36,141.00x = 54,201.10 × 12,447.59
  4. Step 4: Simplify right side
    36,141.00x = 674,673,096.44
  5. Step 5: Solve for x
    x = 674,673,096.44/36,141.00
  6. Step 6: Final answer
    x = 18,667.80

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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.