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Finding the Fourth Proportional to 8,569.84, 12,854.52 and 2,726.80

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Solution

The fourth proportional to 8,569.84, 12,854.52 and 2,726.80 is: 4,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.84 : 12,854.52 = 2,726.80 : x
  2. Step 2: Convert to fraction form
    8,569.84/12,854.52 = 2,726.80/x
  3. Step 3: Cross multiply
    8,569.84x = 12,854.52 × 2,726.80
  4. Step 4: Simplify right side
    8,569.84x = 35,051,705.14
  5. Step 5: Solve for x
    x = 35,051,705.14/8,569.84
  6. Step 6: Final answer
    x = 4,090.12

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