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Finding the Fourth Proportional to 2,654.46, 3,982.50 and 1,356.84

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Solution

The fourth proportional to 2,654.46, 3,982.50 and 1,356.84 is: 2,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.46 : 3,982.50 = 1,356.84 : x
  2. Step 2: Convert to fraction form
    2,654.46/3,982.50 = 1,356.84/x
  3. Step 3: Cross multiply
    2,654.46x = 3,982.50 × 1,356.84
  4. Step 4: Simplify right side
    2,654.46x = 5,403,615.30
  5. Step 5: Solve for x
    x = 5,403,615.30/2,654.46
  6. Step 6: Final answer
    x = 2,035.67

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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.