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Finding the Fourth Proportional to 10,791.09, 14,848.52 and 8,272.26

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Solution

The fourth proportional to 10,791.09, 14,848.52 and 8,272.26 is: 11,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.09 : 14,848.52 = 8,272.26 : x
  2. Step 2: Convert to fraction form
    10,791.09/14,848.52 = 8,272.26/x
  3. Step 3: Cross multiply
    10,791.09x = 14,848.52 × 8,272.26
  4. Step 4: Simplify right side
    10,791.09x = 122,830,776.69
  5. Step 5: Solve for x
    x = 122,830,776.69/10,791.09
  6. Step 6: Final answer
    x = 11,382.61

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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.