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Finding the Fourth Proportional to 17,221.62, 25,835.28 and 6,125.97

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Solution

The fourth proportional to 17,221.62, 25,835.28 and 6,125.97 is: 9,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.62 : 25,835.28 = 6,125.97 : x
  2. Step 2: Convert to fraction form
    17,221.62/25,835.28 = 6,125.97/x
  3. Step 3: Cross multiply
    17,221.62x = 25,835.28 × 6,125.97
  4. Step 4: Simplify right side
    17,221.62x = 158,266,150.22
  5. Step 5: Solve for x
    x = 158,266,150.22/17,221.62
  6. Step 6: Final answer
    x = 9,189.97

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1.5x scale

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.