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Finding the Fourth Proportional to 16,997.70, 25,496.55 and 11,748.90

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Solution

The fourth proportional to 16,997.70, 25,496.55 and 11,748.90 is: 17,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.70 : 25,496.55 = 11,748.90 : x
  2. Step 2: Convert to fraction form
    16,997.70/25,496.55 = 11,748.90/x
  3. Step 3: Cross multiply
    16,997.70x = 25,496.55 × 11,748.90
  4. Step 4: Simplify right side
    16,997.70x = 299,556,416.30
  5. Step 5: Solve for x
    x = 299,556,416.30/16,997.70
  6. Step 6: Final answer
    x = 17,623.35

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Similar ratio
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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.