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Finding the Fourth Proportional to 17,649.63, 26,474.11 and 7,119.43

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Solution

The fourth proportional to 17,649.63, 26,474.11 and 7,119.43 is: 10,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.63 : 26,474.11 = 7,119.43 : x
  2. Step 2: Convert to fraction form
    17,649.63/26,474.11 = 7,119.43/x
  3. Step 3: Cross multiply
    17,649.63x = 26,474.11 × 7,119.43
  4. Step 4: Simplify right side
    17,649.63x = 188,480,488.97
  5. Step 5: Solve for x
    x = 188,480,488.97/17,649.63
  6. Step 6: Final answer
    x = 10,679.01

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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.