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Finding the Fourth Proportional to 27,175.44, 40,763.13 and 7,455.54

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Solution

The fourth proportional to 27,175.44, 40,763.13 and 7,455.54 is: 11,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.44 : 40,763.13 = 7,455.54 : x
  2. Step 2: Convert to fraction form
    27,175.44/40,763.13 = 7,455.54/x
  3. Step 3: Cross multiply
    27,175.44x = 40,763.13 × 7,455.54
  4. Step 4: Simplify right side
    27,175.44x = 303,911,146.24
  5. Step 5: Solve for x
    x = 303,911,146.24/27,175.44
  6. Step 6: Final answer
    x = 11,183.30

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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.