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Finding the Fourth Proportional to 55,080.72, 82,620.93 and 15,637.86

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Solution

The fourth proportional to 55,080.72, 82,620.93 and 15,637.86 is: 23,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.72 : 82,620.93 = 15,637.86 : x
  2. Step 2: Convert to fraction form
    55,080.72/82,620.93 = 15,637.86/x
  3. Step 3: Cross multiply
    55,080.72x = 82,620.93 × 15,637.86
  4. Step 4: Simplify right side
    55,080.72x = 1,292,014,536.41
  5. Step 5: Solve for x
    x = 1,292,014,536.41/55,080.72
  6. Step 6: Final answer
    x = 23,456.75

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