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Finding the Fourth Proportional to 54,830.26, 75,666 and 29,679.76

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Solution

The fourth proportional to 54,830.26, 75,666 and 29,679.76 is: 40,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.26 : 75,666 = 29,679.76 : x
  2. Step 2: Convert to fraction form
    54,830.26/75,666 = 29,679.76/x
  3. Step 3: Cross multiply
    54,830.26x = 75,666 × 29,679.76
  4. Step 4: Simplify right side
    54,830.26x = 2,245,748,720.16
  5. Step 5: Solve for x
    x = 2,245,748,720.16/54,830.26
  6. Step 6: Final answer
    x = 40,958.20

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