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Finding the Fourth Proportional to 12,509.13, 18,763.69 and 5,931.73

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Solution

The fourth proportional to 12,509.13, 18,763.69 and 5,931.73 is: 8,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.13 : 18,763.69 = 5,931.73 : x
  2. Step 2: Convert to fraction form
    12,509.13/18,763.69 = 5,931.73/x
  3. Step 3: Cross multiply
    12,509.13x = 18,763.69 × 5,931.73
  4. Step 4: Simplify right side
    12,509.13x = 111,301,142.88
  5. Step 5: Solve for x
    x = 111,301,142.88/12,509.13
  6. Step 6: Final answer
    x = 8,897.59

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