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Finding the Fourth Proportional to 17,108.80, 25,663.20 and 16,452.70

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Solution

The fourth proportional to 17,108.80, 25,663.20 and 16,452.70 is: 24,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.80 : 25,663.20 = 16,452.70 : x
  2. Step 2: Convert to fraction form
    17,108.80/25,663.20 = 16,452.70/x
  3. Step 3: Cross multiply
    17,108.80x = 25,663.20 × 16,452.70
  4. Step 4: Simplify right side
    17,108.80x = 422,228,930.64
  5. Step 5: Solve for x
    x = 422,228,930.64/17,108.80
  6. Step 6: Final answer
    x = 24,679.05

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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.