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Finding the Fourth Proportional to 12,476.25, 17,217.26 and 6,887.25

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Solution

The fourth proportional to 12,476.25, 17,217.26 and 6,887.25 is: 9,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.25 : 17,217.26 = 6,887.25 : x
  2. Step 2: Convert to fraction form
    12,476.25/17,217.26 = 6,887.25/x
  3. Step 3: Cross multiply
    12,476.25x = 17,217.26 × 6,887.25
  4. Step 4: Simplify right side
    12,476.25x = 118,579,573.94
  5. Step 5: Solve for x
    x = 118,579,573.94/12,476.25
  6. Step 6: Final answer
    x = 9,504.42

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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.