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Finding the Fourth Proportional to 11,479.14, 17,218.71 and 7,582.64

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Solution

The fourth proportional to 11,479.14, 17,218.71 and 7,582.64 is: 11,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.14 : 17,218.71 = 7,582.64 : x
  2. Step 2: Convert to fraction form
    11,479.14/17,218.71 = 7,582.64/x
  3. Step 3: Cross multiply
    11,479.14x = 17,218.71 × 7,582.64
  4. Step 4: Simplify right side
    11,479.14x = 130,563,193.10
  5. Step 5: Solve for x
    x = 130,563,193.10/11,479.14
  6. Step 6: Final answer
    x = 11,373.95

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