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Finding the Fourth Proportional to 18,265.17, 27,392.97 and 8,266.02

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Solution

The fourth proportional to 18,265.17, 27,392.97 and 8,266.02 is: 12,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.17 : 27,392.97 = 8,266.02 : x
  2. Step 2: Convert to fraction form
    18,265.17/27,392.97 = 8,266.02/x
  3. Step 3: Cross multiply
    18,265.17x = 27,392.97 × 8,266.02
  4. Step 4: Simplify right side
    18,265.17x = 226,430,837.88
  5. Step 5: Solve for x
    x = 226,430,837.88/18,265.17
  6. Step 6: Final answer
    x = 12,396.86

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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.