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Finding the Fourth Proportional to 37,555.56, 51,830.28 and 20,788.56

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Solution

The fourth proportional to 37,555.56, 51,830.28 and 20,788.56 is: 28,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,555.56 : 51,830.28 = 20,788.56 : x
  2. Step 2: Convert to fraction form
    37,555.56/51,830.28 = 20,788.56/x
  3. Step 3: Cross multiply
    37,555.56x = 51,830.28 × 20,788.56
  4. Step 4: Simplify right side
    37,555.56x = 1,077,476,885.60
  5. Step 5: Solve for x
    x = 1,077,476,885.60/37,555.56
  6. Step 6: Final answer
    x = 28,690.21

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