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Finding the Fourth Proportional to 12,338.25, 17,033.12 and 7,625.26

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Solution

The fourth proportional to 12,338.25, 17,033.12 and 7,625.26 is: 10,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.25 : 17,033.12 = 7,625.26 : x
  2. Step 2: Convert to fraction form
    12,338.25/17,033.12 = 7,625.26/x
  3. Step 3: Cross multiply
    12,338.25x = 17,033.12 × 7,625.26
  4. Step 4: Simplify right side
    12,338.25x = 129,881,968.61
  5. Step 5: Solve for x
    x = 129,881,968.61/12,338.25
  6. Step 6: Final answer
    x = 10,526.77

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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.