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Finding the Fourth Proportional to 8,398.85, 12,599.55 and 2,852.51

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Solution

The fourth proportional to 8,398.85, 12,599.55 and 2,852.51 is: 4,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.85 : 12,599.55 = 2,852.51 : x
  2. Step 2: Convert to fraction form
    8,398.85/12,599.55 = 2,852.51/x
  3. Step 3: Cross multiply
    8,398.85x = 12,599.55 × 2,852.51
  4. Step 4: Simplify right side
    8,398.85x = 35,940,279.37
  5. Step 5: Solve for x
    x = 35,940,279.37/8,398.85
  6. Step 6: Final answer
    x = 4,279.19

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