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Finding the Fourth Proportional to 17,649.70, 26,446.91 and 6,553.71

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Solution

The fourth proportional to 17,649.70, 26,446.91 and 6,553.71 is: 9,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.70 : 26,446.91 = 6,553.71 : x
  2. Step 2: Convert to fraction form
    17,649.70/26,446.91 = 6,553.71/x
  3. Step 3: Cross multiply
    17,649.70x = 26,446.91 × 6,553.71
  4. Step 4: Simplify right side
    17,649.70x = 173,325,345.77
  5. Step 5: Solve for x
    x = 173,325,345.77/17,649.70
  6. Step 6: Final answer
    x = 9,820.30

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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.