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Finding the Fourth Proportional to 11,363.70, 17,029.55 and 9,027.70

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Solution

The fourth proportional to 11,363.70, 17,029.55 and 9,027.70 is: 13,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.70 : 17,029.55 = 9,027.70 : x
  2. Step 2: Convert to fraction form
    11,363.70/17,029.55 = 9,027.70/x
  3. Step 3: Cross multiply
    11,363.70x = 17,029.55 × 9,027.70
  4. Step 4: Simplify right side
    11,363.70x = 153,737,668.54
  5. Step 5: Solve for x
    x = 153,737,668.54/11,363.70
  6. Step 6: Final answer
    x = 13,528.84

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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.