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Finding the Fourth Proportional to 15,639.56, 23,451.82 and 5,244.04

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Solution

The fourth proportional to 15,639.56, 23,451.82 and 5,244.04 is: 7,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.56 : 23,451.82 = 5,244.04 : x
  2. Step 2: Convert to fraction form
    15,639.56/23,451.82 = 5,244.04/x
  3. Step 3: Cross multiply
    15,639.56x = 23,451.82 × 5,244.04
  4. Step 4: Simplify right side
    15,639.56x = 122,982,282.15
  5. Step 5: Solve for x
    x = 122,982,282.15/15,639.56
  6. Step 6: Final answer
    x = 7,863.54

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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.