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Finding the Fourth Proportional to 5,385.92, 8,076.16 and 2,096.48

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Solution

The fourth proportional to 5,385.92, 8,076.16 and 2,096.48 is: 3,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.92 : 8,076.16 = 2,096.48 : x
  2. Step 2: Convert to fraction form
    5,385.92/8,076.16 = 2,096.48/x
  3. Step 3: Cross multiply
    5,385.92x = 8,076.16 × 2,096.48
  4. Step 4: Simplify right side
    5,385.92x = 16,931,507.92
  5. Step 5: Solve for x
    x = 16,931,507.92/5,385.92
  6. Step 6: Final answer
    x = 3,143.66

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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.