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Finding the Fourth Proportional to 5,016.65, 7,524.95 and 3,921.94

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Solution

The fourth proportional to 5,016.65, 7,524.95 and 3,921.94 is: 5,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.65 : 7,524.95 = 3,921.94 : x
  2. Step 2: Convert to fraction form
    5,016.65/7,524.95 = 3,921.94/x
  3. Step 3: Cross multiply
    5,016.65x = 7,524.95 × 3,921.94
  4. Step 4: Simplify right side
    5,016.65x = 29,512,363.98
  5. Step 5: Solve for x
    x = 29,512,363.98/5,016.65
  6. Step 6: Final answer
    x = 5,882.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.