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Finding the Fourth Proportional to 36,566.72, 54,843.84 and 13,189.76

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Solution

The fourth proportional to 36,566.72, 54,843.84 and 13,189.76 is: 19,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,566.72 : 54,843.84 = 13,189.76 : x
  2. Step 2: Convert to fraction form
    36,566.72/54,843.84 = 13,189.76/x
  3. Step 3: Cross multiply
    36,566.72x = 54,843.84 × 13,189.76
  4. Step 4: Simplify right side
    36,566.72x = 723,377,087.08
  5. Step 5: Solve for x
    x = 723,377,087.08/36,566.72
  6. Step 6: Final answer
    x = 19,782.39

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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.