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Finding the Fourth Proportional to 55,311.64, 76,336.64 and 34,923.32

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Solution

The fourth proportional to 55,311.64, 76,336.64 and 34,923.32 is: 48,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.64 : 76,336.64 = 34,923.32 : x
  2. Step 2: Convert to fraction form
    55,311.64/76,336.64 = 34,923.32/x
  3. Step 3: Cross multiply
    55,311.64x = 76,336.64 × 34,923.32
  4. Step 4: Simplify right side
    55,311.64x = 2,665,928,906.44
  5. Step 5: Solve for x
    x = 2,665,928,906.44/55,311.64
  6. Step 6: Final answer
    x = 48,198.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.