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Finding the Fourth Proportional to 8,969.16, 12,368.52 and 5,985.12

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Solution

The fourth proportional to 8,969.16, 12,368.52 and 5,985.12 is: 8,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.16 : 12,368.52 = 5,985.12 : x
  2. Step 2: Convert to fraction form
    8,969.16/12,368.52 = 5,985.12/x
  3. Step 3: Cross multiply
    8,969.16x = 12,368.52 × 5,985.12
  4. Step 4: Simplify right side
    8,969.16x = 74,027,076.42
  5. Step 5: Solve for x
    x = 74,027,076.42/8,969.16
  6. Step 6: Final answer
    x = 8,253.51

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