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Finding the Fourth Proportional to 36,555.72, 54,822.24 and 13,179.12

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Solution

The fourth proportional to 36,555.72, 54,822.24 and 13,179.12 is: 19,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,555.72 : 54,822.24 = 13,179.12 : x
  2. Step 2: Convert to fraction form
    36,555.72/54,822.24 = 13,179.12/x
  3. Step 3: Cross multiply
    36,555.72x = 54,822.24 × 13,179.12
  4. Step 4: Simplify right side
    36,555.72x = 722,508,879.63
  5. Step 5: Solve for x
    x = 722,508,879.63/36,555.72
  6. Step 6: Final answer
    x = 19,764.59

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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.