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Finding the Fourth Proportional to 12,048.16, 18,070.44 and 4,151.92

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Solution

The fourth proportional to 12,048.16, 18,070.44 and 4,151.92 is: 6,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.16 : 18,070.44 = 4,151.92 : x
  2. Step 2: Convert to fraction form
    12,048.16/18,070.44 = 4,151.92/x
  3. Step 3: Cross multiply
    12,048.16x = 18,070.44 × 4,151.92
  4. Step 4: Simplify right side
    12,048.16x = 75,027,021.24
  5. Step 5: Solve for x
    x = 75,027,021.24/12,048.16
  6. Step 6: Final answer
    x = 6,227.26

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