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Finding the Fourth Proportional to 58,418.93, 87,620.16 and 18,976.52

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Solution

The fourth proportional to 58,418.93, 87,620.16 and 18,976.52 is: 28,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,418.93 : 87,620.16 = 18,976.52 : x
  2. Step 2: Convert to fraction form
    58,418.93/87,620.16 = 18,976.52/x
  3. Step 3: Cross multiply
    58,418.93x = 87,620.16 × 18,976.52
  4. Step 4: Simplify right side
    58,418.93x = 1,662,725,718.64
  5. Step 5: Solve for x
    x = 1,662,725,718.64/58,418.93
  6. Step 6: Final answer
    x = 28,462.10

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