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Finding the Fourth Proportional to 8,556.92, 12,829.89 and 3,562.76

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Solution

The fourth proportional to 8,556.92, 12,829.89 and 3,562.76 is: 5,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.92 : 12,829.89 = 3,562.76 : x
  2. Step 2: Convert to fraction form
    8,556.92/12,829.89 = 3,562.76/x
  3. Step 3: Cross multiply
    8,556.92x = 12,829.89 × 3,562.76
  4. Step 4: Simplify right side
    8,556.92x = 45,709,828.25
  5. Step 5: Solve for x
    x = 45,709,828.25/8,556.92
  6. Step 6: Final answer
    x = 5,341.85

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