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Finding the Fourth Proportional to 11,403, 17,104.54 and 3,195

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Solution

The fourth proportional to 11,403, 17,104.54 and 3,195 is: 4,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403 : 17,104.54 = 3,195 : x
  2. Step 2: Convert to fraction form
    11,403/17,104.54 = 3,195/x
  3. Step 3: Cross multiply
    11,403x = 17,104.54 × 3,195
  4. Step 4: Simplify right side
    11,403x = 54,649,005.30
  5. Step 5: Solve for x
    x = 54,649,005.30/11,403
  6. Step 6: Final answer
    x = 4,792.51

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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.