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Finding the Fourth Proportional to 12,466.74, 17,204.75 and 7,161.89

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Solution

The fourth proportional to 12,466.74, 17,204.75 and 7,161.89 is: 9,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.74 : 17,204.75 = 7,161.89 : x
  2. Step 2: Convert to fraction form
    12,466.74/17,204.75 = 7,161.89/x
  3. Step 3: Cross multiply
    12,466.74x = 17,204.75 × 7,161.89
  4. Step 4: Simplify right side
    12,466.74x = 123,218,617.45
  5. Step 5: Solve for x
    x = 123,218,617.45/12,466.74
  6. Step 6: Final answer
    x = 9,883.79

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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.