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Finding the Fourth Proportional to 47,958.64, 66,183.28 and 26,739.28

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Solution

The fourth proportional to 47,958.64, 66,183.28 and 26,739.28 is: 36,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,958.64 : 66,183.28 = 26,739.28 : x
  2. Step 2: Convert to fraction form
    47,958.64/66,183.28 = 26,739.28/x
  3. Step 3: Cross multiply
    47,958.64x = 66,183.28 × 26,739.28
  4. Step 4: Simplify right side
    47,958.64x = 1,769,693,255.24
  5. Step 5: Solve for x
    x = 1,769,693,255.24/47,958.64
  6. Step 6: Final answer
    x = 36,900.41

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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.