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Finding the Fourth Proportional to 17,593.20, 26,332.20 and 13,676.40

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Solution

The fourth proportional to 17,593.20, 26,332.20 and 13,676.40 is: 20,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,593.20 : 26,332.20 = 13,676.40 : x
  2. Step 2: Convert to fraction form
    17,593.20/26,332.20 = 13,676.40/x
  3. Step 3: Cross multiply
    17,593.20x = 26,332.20 × 13,676.40
  4. Step 4: Simplify right side
    17,593.20x = 360,129,700.08
  5. Step 5: Solve for x
    x = 360,129,700.08/17,593.20
  6. Step 6: Final answer
    x = 20,469.82

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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.