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Finding the Fourth Proportional to 8,961.84, 13,444.38 and 4,578.12

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Solution

The fourth proportional to 8,961.84, 13,444.38 and 4,578.12 is: 6,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.84 : 13,444.38 = 4,578.12 : x
  2. Step 2: Convert to fraction form
    8,961.84/13,444.38 = 4,578.12/x
  3. Step 3: Cross multiply
    8,961.84x = 13,444.38 × 4,578.12
  4. Step 4: Simplify right side
    8,961.84x = 61,549,984.97
  5. Step 5: Solve for x
    x = 61,549,984.97/8,961.84
  6. Step 6: Final answer
    x = 6,868.01

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