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Finding the Fourth Proportional to 11,671.80, 17,505.03 and 3,351.75

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Solution

The fourth proportional to 11,671.80, 17,505.03 and 3,351.75 is: 5,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.80 : 17,505.03 = 3,351.75 : x
  2. Step 2: Convert to fraction form
    11,671.80/17,505.03 = 3,351.75/x
  3. Step 3: Cross multiply
    11,671.80x = 17,505.03 × 3,351.75
  4. Step 4: Simplify right side
    11,671.80x = 58,672,484.30
  5. Step 5: Solve for x
    x = 58,672,484.30/11,671.80
  6. Step 6: Final answer
    x = 5,026.86

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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.