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Finding the Fourth Proportional to 12,429.03, 18,643.45 and 5,851.63

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Solution

The fourth proportional to 12,429.03, 18,643.45 and 5,851.63 is: 8,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.03 : 18,643.45 = 5,851.63 : x
  2. Step 2: Convert to fraction form
    12,429.03/18,643.45 = 5,851.63/x
  3. Step 3: Cross multiply
    12,429.03x = 18,643.45 × 5,851.63
  4. Step 4: Simplify right side
    12,429.03x = 109,094,571.32
  5. Step 5: Solve for x
    x = 109,094,571.32/12,429.03
  6. Step 6: Final answer
    x = 8,777.40

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