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Finding the Fourth Proportional to 15,919.03, 23,870.30 and 7,146.39

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Solution

The fourth proportional to 15,919.03, 23,870.30 and 7,146.39 is: 10,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.03 : 23,870.30 = 7,146.39 : x
  2. Step 2: Convert to fraction form
    15,919.03/23,870.30 = 7,146.39/x
  3. Step 3: Cross multiply
    15,919.03x = 23,870.30 × 7,146.39
  4. Step 4: Simplify right side
    15,919.03x = 170,586,473.22
  5. Step 5: Solve for x
    x = 170,586,473.22/15,919.03
  6. Step 6: Final answer
    x = 10,715.88

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