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Finding the Fourth Proportional to 50,972, 70,344.48 and 28,616

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Solution

The fourth proportional to 50,972, 70,344.48 and 28,616 is: 39,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972 : 70,344.48 = 28,616 : x
  2. Step 2: Convert to fraction form
    50,972/70,344.48 = 28,616/x
  3. Step 3: Cross multiply
    50,972x = 70,344.48 × 28,616
  4. Step 4: Simplify right side
    50,972x = 2,012,977,639.68
  5. Step 5: Solve for x
    x = 2,012,977,639.68/50,972
  6. Step 6: Final answer
    x = 39,491.83

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