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Finding the Fourth Proportional to 36,174.40, 54,253.40 and 12,800.84

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Solution

The fourth proportional to 36,174.40, 54,253.40 and 12,800.84 is: 19,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,174.40 : 54,253.40 = 12,800.84 : x
  2. Step 2: Convert to fraction form
    36,174.40/54,253.40 = 12,800.84/x
  3. Step 3: Cross multiply
    36,174.40x = 54,253.40 × 12,800.84
  4. Step 4: Simplify right side
    36,174.40x = 694,488,757.58
  5. Step 5: Solve for x
    x = 694,488,757.58/36,174.40
  6. Step 6: Final answer
    x = 19,198.35

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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.