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Finding the Fourth Proportional to 6,992.02, 9,649.17 and 3,805.49

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Solution

The fourth proportional to 6,992.02, 9,649.17 and 3,805.49 is: 5,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.02 : 9,649.17 = 3,805.49 : x
  2. Step 2: Convert to fraction form
    6,992.02/9,649.17 = 3,805.49/x
  3. Step 3: Cross multiply
    6,992.02x = 9,649.17 × 3,805.49
  4. Step 4: Simplify right side
    6,992.02x = 36,719,806.22
  5. Step 5: Solve for x
    x = 36,719,806.22/6,992.02
  6. Step 6: Final answer
    x = 5,251.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.