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Finding the Fourth Proportional to 7,521.82, 10,380.12 and 4,164.86

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Solution

The fourth proportional to 7,521.82, 10,380.12 and 4,164.86 is: 5,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.82 : 10,380.12 = 4,164.86 : x
  2. Step 2: Convert to fraction form
    7,521.82/10,380.12 = 4,164.86/x
  3. Step 3: Cross multiply
    7,521.82x = 10,380.12 × 4,164.86
  4. Step 4: Simplify right side
    7,521.82x = 43,231,746.58
  5. Step 5: Solve for x
    x = 43,231,746.58/7,521.82
  6. Step 6: Final answer
    x = 5,747.51

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