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Finding the Fourth Proportional to 6,312.35, 9,468.56 and 1,929.80

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Solution

The fourth proportional to 6,312.35, 9,468.56 and 1,929.80 is: 2,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.35 : 9,468.56 = 1,929.80 : x
  2. Step 2: Convert to fraction form
    6,312.35/9,468.56 = 1,929.80/x
  3. Step 3: Cross multiply
    6,312.35x = 9,468.56 × 1,929.80
  4. Step 4: Simplify right side
    6,312.35x = 18,272,441.11
  5. Step 5: Solve for x
    x = 18,272,441.11/6,312.35
  6. Step 6: Final answer
    x = 2,894.71

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