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Finding the Fourth Proportional to 17,171, 25,751.04 and 5,481.50

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Solution

The fourth proportional to 17,171, 25,751.04 and 5,481.50 is: 8,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171 : 25,751.04 = 5,481.50 : x
  2. Step 2: Convert to fraction form
    17,171/25,751.04 = 5,481.50/x
  3. Step 3: Cross multiply
    17,171x = 25,751.04 × 5,481.50
  4. Step 4: Simplify right side
    17,171x = 141,154,325.76
  5. Step 5: Solve for x
    x = 141,154,325.76/17,171
  6. Step 6: Final answer
    x = 8,220.51

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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.