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Finding the Fourth Proportional to 17,649.44, 26,472.90 and 10,249.28

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Solution

The fourth proportional to 17,649.44, 26,472.90 and 10,249.28 is: 15,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.44 : 26,472.90 = 10,249.28 : x
  2. Step 2: Convert to fraction form
    17,649.44/26,472.90 = 10,249.28/x
  3. Step 3: Cross multiply
    17,649.44x = 26,472.90 × 10,249.28
  4. Step 4: Simplify right side
    17,649.44x = 271,328,164.51
  5. Step 5: Solve for x
    x = 271,328,164.51/17,649.44
  6. Step 6: Final answer
    x = 15,373.19

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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.