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Finding the Fourth Proportional to 27,175.58, 40,760.64 and 7,456.12

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Solution

The fourth proportional to 27,175.58, 40,760.64 and 7,456.12 is: 11,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.58 : 40,760.64 = 7,456.12 : x
  2. Step 2: Convert to fraction form
    27,175.58/40,760.64 = 7,456.12/x
  3. Step 3: Cross multiply
    27,175.58x = 40,760.64 × 7,456.12
  4. Step 4: Simplify right side
    27,175.58x = 303,916,223.12
  5. Step 5: Solve for x
    x = 303,916,223.12/27,175.58
  6. Step 6: Final answer
    x = 11,183.43

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