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Finding the Fourth Proportional to 7,271.44, 10,034.64 and 3,959.44

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Solution

The fourth proportional to 7,271.44, 10,034.64 and 3,959.44 is: 5,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.44 : 10,034.64 = 3,959.44 : x
  2. Step 2: Convert to fraction form
    7,271.44/10,034.64 = 3,959.44/x
  3. Step 3: Cross multiply
    7,271.44x = 10,034.64 × 3,959.44
  4. Step 4: Simplify right side
    7,271.44x = 39,731,555.00
  5. Step 5: Solve for x
    x = 39,731,555.00/7,271.44
  6. Step 6: Final answer
    x = 5,464.06

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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.