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Finding the Fourth Proportional to 12,584.16, 18,878.52 and 5,184.51

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Solution

The fourth proportional to 12,584.16, 18,878.52 and 5,184.51 is: 7,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.16 : 18,878.52 = 5,184.51 : x
  2. Step 2: Convert to fraction form
    12,584.16/18,878.52 = 5,184.51/x
  3. Step 3: Cross multiply
    12,584.16x = 18,878.52 × 5,184.51
  4. Step 4: Simplify right side
    12,584.16x = 97,875,875.73
  5. Step 5: Solve for x
    x = 97,875,875.73/12,584.16
  6. Step 6: Final answer
    x = 7,777.70

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