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Finding the Fourth Proportional to 7,455.07, 11,185.19 and 3,754.28

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Solution

The fourth proportional to 7,455.07, 11,185.19 and 3,754.28 is: 5,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.07 : 11,185.19 = 3,754.28 : x
  2. Step 2: Convert to fraction form
    7,455.07/11,185.19 = 3,754.28/x
  3. Step 3: Cross multiply
    7,455.07x = 11,185.19 × 3,754.28
  4. Step 4: Simplify right side
    7,455.07x = 41,992,358.38
  5. Step 5: Solve for x
    x = 41,992,358.38/7,455.07
  6. Step 6: Final answer
    x = 5,632.72

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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.