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Finding the Fourth Proportional to 29,046.69, 43,571.64 and 8,268.57

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Solution

The fourth proportional to 29,046.69, 43,571.64 and 8,268.57 is: 12,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,046.69 : 43,571.64 = 8,268.57 : x
  2. Step 2: Convert to fraction form
    29,046.69/43,571.64 = 8,268.57/x
  3. Step 3: Cross multiply
    29,046.69x = 43,571.64 × 8,268.57
  4. Step 4: Simplify right side
    29,046.69x = 360,275,155.35
  5. Step 5: Solve for x
    x = 360,275,155.35/29,046.69
  6. Step 6: Final answer
    x = 12,403.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.