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Finding the Fourth Proportional to 18,247.97, 27,371.96 and 4,396.97

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Solution

The fourth proportional to 18,247.97, 27,371.96 and 4,396.97 is: 6,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.97 : 27,371.96 = 4,396.97 : x
  2. Step 2: Convert to fraction form
    18,247.97/27,371.96 = 4,396.97/x
  3. Step 3: Cross multiply
    18,247.97x = 27,371.96 × 4,396.97
  4. Step 4: Simplify right side
    18,247.97x = 120,353,686.96
  5. Step 5: Solve for x
    x = 120,353,686.96/18,247.97
  6. Step 6: Final answer
    x = 6,595.46

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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.