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Finding the Fourth Proportional to 17,297.70, 25,949.79 and 5,611.02

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Solution

The fourth proportional to 17,297.70, 25,949.79 and 5,611.02 is: 8,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.70 : 25,949.79 = 5,611.02 : x
  2. Step 2: Convert to fraction form
    17,297.70/25,949.79 = 5,611.02/x
  3. Step 3: Cross multiply
    17,297.70x = 25,949.79 × 5,611.02
  4. Step 4: Simplify right side
    17,297.70x = 145,604,790.69
  5. Step 5: Solve for x
    x = 145,604,790.69/17,297.70
  6. Step 6: Final answer
    x = 8,417.58

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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.