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Finding the Fourth Proportional to 11,171.66, 16,765.01 and 4,933.49

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Solution

The fourth proportional to 11,171.66, 16,765.01 and 4,933.49 is: 7,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.66 : 16,765.01 = 4,933.49 : x
  2. Step 2: Convert to fraction form
    11,171.66/16,765.01 = 4,933.49/x
  3. Step 3: Cross multiply
    11,171.66x = 16,765.01 × 4,933.49
  4. Step 4: Simplify right side
    11,171.66x = 82,709,900.69
  5. Step 5: Solve for x
    x = 82,709,900.69/11,171.66
  6. Step 6: Final answer
    x = 7,403.55

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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.