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Finding the Fourth Proportional to 17,217.48, 25,835.94 and 7,355.88

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Solution

The fourth proportional to 17,217.48, 25,835.94 and 7,355.88 is: 11,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.48 : 25,835.94 = 7,355.88 : x
  2. Step 2: Convert to fraction form
    17,217.48/25,835.94 = 7,355.88/x
  3. Step 3: Cross multiply
    17,217.48x = 25,835.94 × 7,355.88
  4. Step 4: Simplify right side
    17,217.48x = 190,046,074.33
  5. Step 5: Solve for x
    x = 190,046,074.33/17,217.48
  6. Step 6: Final answer
    x = 11,037.97

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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.