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Finding the Fourth Proportional to 40,148.29, 59,978.20 and 25,993

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Solution

The fourth proportional to 40,148.29, 59,978.20 and 25,993 is: 38,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.29 : 59,978.20 = 25,993 : x
  2. Step 2: Convert to fraction form
    40,148.29/59,978.20 = 25,993/x
  3. Step 3: Cross multiply
    40,148.29x = 59,978.20 × 25,993
  4. Step 4: Simplify right side
    40,148.29x = 1,559,013,352.60
  5. Step 5: Solve for x
    x = 1,559,013,352.60/40,148.29
  6. Step 6: Final answer
    x = 38,831.38

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