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Finding the Fourth Proportional to 5,096, 7,015.20 and 4,571.84

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Solution

The fourth proportional to 5,096, 7,015.20 and 4,571.84 is: 6,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,096 : 7,015.20 = 4,571.84 : x
  2. Step 2: Convert to fraction form
    5,096/7,015.20 = 4,571.84/x
  3. Step 3: Cross multiply
    5,096x = 7,015.20 × 4,571.84
  4. Step 4: Simplify right side
    5,096x = 32,072,371.97
  5. Step 5: Solve for x
    x = 32,072,371.97/5,096
  6. Step 6: Final answer
    x = 6,293.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.