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Finding the Fourth Proportional to 2,647.30, 3,969.69 and 1,552

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Solution

The fourth proportional to 2,647.30, 3,969.69 and 1,552 is: 2,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.30 : 3,969.69 = 1,552 : x
  2. Step 2: Convert to fraction form
    2,647.30/3,969.69 = 1,552/x
  3. Step 3: Cross multiply
    2,647.30x = 3,969.69 × 1,552
  4. Step 4: Simplify right side
    2,647.30x = 6,160,958.88
  5. Step 5: Solve for x
    x = 6,160,958.88/2,647.30
  6. Step 6: Final answer
    x = 2,327.26

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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.