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Finding the Fourth Proportional to 5,645.52, 7,788.20 and 3,656.75

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Solution

The fourth proportional to 5,645.52, 7,788.20 and 3,656.75 is: 5,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.52 : 7,788.20 = 3,656.75 : x
  2. Step 2: Convert to fraction form
    5,645.52/7,788.20 = 3,656.75/x
  3. Step 3: Cross multiply
    5,645.52x = 7,788.20 × 3,656.75
  4. Step 4: Simplify right side
    5,645.52x = 28,479,443.13
  5. Step 5: Solve for x
    x = 28,479,443.13/5,645.52
  6. Step 6: Final answer
    x = 5,044.61

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