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Finding the Fourth Proportional to 43,587, 65,390.22 and 15,885

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Solution

The fourth proportional to 43,587, 65,390.22 and 15,885 is: 23,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,587 : 65,390.22 = 15,885 : x
  2. Step 2: Convert to fraction form
    43,587/65,390.22 = 15,885/x
  3. Step 3: Cross multiply
    43,587x = 65,390.22 × 15,885
  4. Step 4: Simplify right side
    43,587x = 1,038,723,644.70
  5. Step 5: Solve for x
    x = 1,038,723,644.70/43,587
  6. Step 6: Final answer
    x = 23,831.04

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