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Finding the Fourth Proportional to 52,958.48, 79,437.68 and 13,515.60

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Solution

The fourth proportional to 52,958.48, 79,437.68 and 13,515.60 is: 20,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.48 : 79,437.68 = 13,515.60 : x
  2. Step 2: Convert to fraction form
    52,958.48/79,437.68 = 13,515.60/x
  3. Step 3: Cross multiply
    52,958.48x = 79,437.68 × 13,515.60
  4. Step 4: Simplify right side
    52,958.48x = 1,073,647,907.81
  5. Step 5: Solve for x
    x = 1,073,647,907.81/52,958.48
  6. Step 6: Final answer
    x = 20,273.39

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