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Finding the Fourth Proportional to 7,208.65, 10,810.23 and 2,825.11

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Solution

The fourth proportional to 7,208.65, 10,810.23 and 2,825.11 is: 4,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.65 : 10,810.23 = 2,825.11 : x
  2. Step 2: Convert to fraction form
    7,208.65/10,810.23 = 2,825.11/x
  3. Step 3: Cross multiply
    7,208.65x = 10,810.23 × 2,825.11
  4. Step 4: Simplify right side
    7,208.65x = 30,540,088.88
  5. Step 5: Solve for x
    x = 30,540,088.88/7,208.65
  6. Step 6: Final answer
    x = 4,236.59

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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.