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Finding the Fourth Proportional to 36,863.88, 55,295.97 and 11,218.47

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Solution

The fourth proportional to 36,863.88, 55,295.97 and 11,218.47 is: 16,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,863.88 : 55,295.97 = 11,218.47 : x
  2. Step 2: Convert to fraction form
    36,863.88/55,295.97 = 11,218.47/x
  3. Step 3: Cross multiply
    36,863.88x = 55,295.97 × 11,218.47
  4. Step 4: Simplify right side
    36,863.88x = 620,336,025.79
  5. Step 5: Solve for x
    x = 620,336,025.79/36,863.88
  6. Step 6: Final answer
    x = 16,827.74

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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.