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Finding the Fourth Proportional to 11,629.71, 16,043.35 and 6,910.65

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Solution

The fourth proportional to 11,629.71, 16,043.35 and 6,910.65 is: 9,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.71 : 16,043.35 = 6,910.65 : x
  2. Step 2: Convert to fraction form
    11,629.71/16,043.35 = 6,910.65/x
  3. Step 3: Cross multiply
    11,629.71x = 16,043.35 × 6,910.65
  4. Step 4: Simplify right side
    11,629.71x = 110,869,976.68
  5. Step 5: Solve for x
    x = 110,869,976.68/11,629.71
  6. Step 6: Final answer
    x = 9,533.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.