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Finding the Fourth Proportional to 2,915.66, 4,369.98 and 1,353.54

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Solution

The fourth proportional to 2,915.66, 4,369.98 and 1,353.54 is: 2,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.66 : 4,369.98 = 1,353.54 : x
  2. Step 2: Convert to fraction form
    2,915.66/4,369.98 = 1,353.54/x
  3. Step 3: Cross multiply
    2,915.66x = 4,369.98 × 1,353.54
  4. Step 4: Simplify right side
    2,915.66x = 5,914,942.73
  5. Step 5: Solve for x
    x = 5,914,942.73/2,915.66
  6. Step 6: Final answer
    x = 2,028.68

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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.