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Finding the Fourth Proportional to 40,415.76, 55,772.28 and 23,648.40

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Solution

The fourth proportional to 40,415.76, 55,772.28 and 23,648.40 is: 32,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.76 : 55,772.28 = 23,648.40 : x
  2. Step 2: Convert to fraction form
    40,415.76/55,772.28 = 23,648.40/x
  3. Step 3: Cross multiply
    40,415.76x = 55,772.28 × 23,648.40
  4. Step 4: Simplify right side
    40,415.76x = 1,318,925,186.35
  5. Step 5: Solve for x
    x = 1,318,925,186.35/40,415.76
  6. Step 6: Final answer
    x = 32,633.93

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