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Finding the Fourth Proportional to 44,540.86, 66,811.22 and 18,245.64

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Solution

The fourth proportional to 44,540.86, 66,811.22 and 18,245.64 is: 27,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,540.86 : 66,811.22 = 18,245.64 : x
  2. Step 2: Convert to fraction form
    44,540.86/66,811.22 = 18,245.64/x
  3. Step 3: Cross multiply
    44,540.86x = 66,811.22 × 18,245.64
  4. Step 4: Simplify right side
    44,540.86x = 1,219,013,468.08
  5. Step 5: Solve for x
    x = 1,219,013,468.08/44,540.86
  6. Step 6: Final answer
    x = 27,368.43

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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.