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Finding the Fourth Proportional to 7,004.52, 10,505.97 and 2,840.31

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Solution

The fourth proportional to 7,004.52, 10,505.97 and 2,840.31 is: 4,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.52 : 10,505.97 = 2,840.31 : x
  2. Step 2: Convert to fraction form
    7,004.52/10,505.97 = 2,840.31/x
  3. Step 3: Cross multiply
    7,004.52x = 10,505.97 × 2,840.31
  4. Step 4: Simplify right side
    7,004.52x = 29,840,211.65
  5. Step 5: Solve for x
    x = 29,840,211.65/7,004.52
  6. Step 6: Final answer
    x = 4,260.14

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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.