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Finding the Fourth Proportional to 17,170.56, 25,750.26 and 5,481

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Solution

The fourth proportional to 17,170.56, 25,750.26 and 5,481 is: 8,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.56 : 25,750.26 = 5,481 : x
  2. Step 2: Convert to fraction form
    17,170.56/25,750.26 = 5,481/x
  3. Step 3: Cross multiply
    17,170.56x = 25,750.26 × 5,481
  4. Step 4: Simplify right side
    17,170.56x = 141,137,175.06
  5. Step 5: Solve for x
    x = 141,137,175.06/17,170.56
  6. Step 6: Final answer
    x = 8,219.72

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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.