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Finding the Fourth Proportional to 55,920.52, 83,932.62 and 28,237.96

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Solution

The fourth proportional to 55,920.52, 83,932.62 and 28,237.96 is: 42,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920.52 : 83,932.62 = 28,237.96 : x
  2. Step 2: Convert to fraction form
    55,920.52/83,932.62 = 28,237.96/x
  3. Step 3: Cross multiply
    55,920.52x = 83,932.62 × 28,237.96
  4. Step 4: Simplify right side
    55,920.52x = 2,370,085,966.26
  5. Step 5: Solve for x
    x = 2,370,085,966.26/55,920.52
  6. Step 6: Final answer
    x = 42,383.12

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