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Finding the Fourth Proportional to 17,297.61, 25,921.16 and 7,668.86

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Solution

The fourth proportional to 17,297.61, 25,921.16 and 7,668.86 is: 11,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.61 : 25,921.16 = 7,668.86 : x
  2. Step 2: Convert to fraction form
    17,297.61/25,921.16 = 7,668.86/x
  3. Step 3: Cross multiply
    17,297.61x = 25,921.16 × 7,668.86
  4. Step 4: Simplify right side
    17,297.61x = 198,785,747.08
  5. Step 5: Solve for x
    x = 198,785,747.08/17,297.61
  6. Step 6: Final answer
    x = 11,492.09

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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.