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Finding the Fourth Proportional to 27,690.72, 41,536.17 and 6,914.22

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Solution

The fourth proportional to 27,690.72, 41,536.17 and 6,914.22 is: 10,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.72 : 41,536.17 = 6,914.22 : x
  2. Step 2: Convert to fraction form
    27,690.72/41,536.17 = 6,914.22/x
  3. Step 3: Cross multiply
    27,690.72x = 41,536.17 × 6,914.22
  4. Step 4: Simplify right side
    27,690.72x = 287,190,217.34
  5. Step 5: Solve for x
    x = 287,190,217.34/27,690.72
  6. Step 6: Final answer
    x = 10,371.35

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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.