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Finding the Fourth Proportional to 2,541.67, 3,812.54 and 982.42

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Solution

The fourth proportional to 2,541.67, 3,812.54 and 982.42 is: 1,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.67 : 3,812.54 = 982.42 : x
  2. Step 2: Convert to fraction form
    2,541.67/3,812.54 = 982.42/x
  3. Step 3: Cross multiply
    2,541.67x = 3,812.54 × 982.42
  4. Step 4: Simplify right side
    2,541.67x = 3,745,501.10
  5. Step 5: Solve for x
    x = 3,745,501.10/2,541.67
  6. Step 6: Final answer
    x = 1,473.64

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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.