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Finding the Fourth Proportional to 12,465.03, 18,693.48 and 4,142.81

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Solution

The fourth proportional to 12,465.03, 18,693.48 and 4,142.81 is: 6,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.03 : 18,693.48 = 4,142.81 : x
  2. Step 2: Convert to fraction form
    12,465.03/18,693.48 = 4,142.81/x
  3. Step 3: Cross multiply
    12,465.03x = 18,693.48 × 4,142.81
  4. Step 4: Simplify right side
    12,465.03x = 77,443,535.88
  5. Step 5: Solve for x
    x = 77,443,535.88/12,465.03
  6. Step 6: Final answer
    x = 6,212.86

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