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Finding the Fourth Proportional to 18,253.98, 27,380.97 and 4,402.98

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Solution

The fourth proportional to 18,253.98, 27,380.97 and 4,402.98 is: 6,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.98 : 27,380.97 = 4,402.98 : x
  2. Step 2: Convert to fraction form
    18,253.98/27,380.97 = 4,402.98/x
  3. Step 3: Cross multiply
    18,253.98x = 27,380.97 × 4,402.98
  4. Step 4: Simplify right side
    18,253.98x = 120,557,863.29
  5. Step 5: Solve for x
    x = 120,557,863.29/18,253.98
  6. Step 6: Final answer
    x = 6,604.47

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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.