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Finding the Fourth Proportional to 8,686.03, 13,030.67 and 2,842.96

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Solution

The fourth proportional to 8,686.03, 13,030.67 and 2,842.96 is: 4,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.03 : 13,030.67 = 2,842.96 : x
  2. Step 2: Convert to fraction form
    8,686.03/13,030.67 = 2,842.96/x
  3. Step 3: Cross multiply
    8,686.03x = 13,030.67 × 2,842.96
  4. Step 4: Simplify right side
    8,686.03x = 37,045,673.58
  5. Step 5: Solve for x
    x = 37,045,673.58/8,686.03
  6. Step 6: Final answer
    x = 4,264.97

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