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Finding the Fourth Proportional to 13,870.50, 19,141.41 and 7,582.88

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Solution

The fourth proportional to 13,870.50, 19,141.41 and 7,582.88 is: 10,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.50 : 19,141.41 = 7,582.88 : x
  2. Step 2: Convert to fraction form
    13,870.50/19,141.41 = 7,582.88/x
  3. Step 3: Cross multiply
    13,870.50x = 19,141.41 × 7,582.88
  4. Step 4: Simplify right side
    13,870.50x = 145,147,015.06
  5. Step 5: Solve for x
    x = 145,147,015.06/13,870.50
  6. Step 6: Final answer
    x = 10,464.44

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