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Finding the Fourth Proportional to 14,972.54, 22,458.74 and 3,878.28

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Solution

The fourth proportional to 14,972.54, 22,458.74 and 3,878.28 is: 5,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.54 : 22,458.74 = 3,878.28 : x
  2. Step 2: Convert to fraction form
    14,972.54/22,458.74 = 3,878.28/x
  3. Step 3: Cross multiply
    14,972.54x = 22,458.74 × 3,878.28
  4. Step 4: Simplify right side
    14,972.54x = 87,101,282.17
  5. Step 5: Solve for x
    x = 87,101,282.17/14,972.54
  6. Step 6: Final answer
    x = 5,817.40

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