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Finding the Fourth Proportional to 17,615.82, 26,407.02 and 6,514.97

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Solution

The fourth proportional to 17,615.82, 26,407.02 and 6,514.97 is: 9,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.82 : 26,407.02 = 6,514.97 : x
  2. Step 2: Convert to fraction form
    17,615.82/26,407.02 = 6,514.97/x
  3. Step 3: Cross multiply
    17,615.82x = 26,407.02 × 6,514.97
  4. Step 4: Simplify right side
    17,615.82x = 172,040,943.09
  5. Step 5: Solve for x
    x = 172,040,943.09/17,615.82
  6. Step 6: Final answer
    x = 9,766.28

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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.