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Finding the Fourth Proportional to 17,472.78, 26,202.84 and 7,609.68

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Solution

The fourth proportional to 17,472.78, 26,202.84 and 7,609.68 is: 11,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.78 : 26,202.84 = 7,609.68 : x
  2. Step 2: Convert to fraction form
    17,472.78/26,202.84 = 7,609.68/x
  3. Step 3: Cross multiply
    17,472.78x = 26,202.84 × 7,609.68
  4. Step 4: Simplify right side
    17,472.78x = 199,395,227.49
  5. Step 5: Solve for x
    x = 199,395,227.49/17,472.78
  6. Step 6: Final answer
    x = 11,411.76

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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.