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Finding the Fourth Proportional to 36,202.80, 54,313.80 and 12,826.80

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Solution

The fourth proportional to 36,202.80, 54,313.80 and 12,826.80 is: 19,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,202.80 : 54,313.80 = 12,826.80 : x
  2. Step 2: Convert to fraction form
    36,202.80/54,313.80 = 12,826.80/x
  3. Step 3: Cross multiply
    36,202.80x = 54,313.80 × 12,826.80
  4. Step 4: Simplify right side
    36,202.80x = 696,672,249.84
  5. Step 5: Solve for x
    x = 696,672,249.84/36,202.80
  6. Step 6: Final answer
    x = 19,243.60

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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.