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Finding the Fourth Proportional to 55,425.94, 76,487.90 and 30,275.44

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Solution

The fourth proportional to 55,425.94, 76,487.90 and 30,275.44 is: 41,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.94 : 76,487.90 = 30,275.44 : x
  2. Step 2: Convert to fraction form
    55,425.94/76,487.90 = 30,275.44/x
  3. Step 3: Cross multiply
    55,425.94x = 76,487.90 × 30,275.44
  4. Step 4: Simplify right side
    55,425.94x = 2,315,704,484.58
  5. Step 5: Solve for x
    x = 2,315,704,484.58/55,425.94
  6. Step 6: Final answer
    x = 41,780.16

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