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Finding the Fourth Proportional to 18,160.84, 27,227.73 and 7,633.94

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Solution

The fourth proportional to 18,160.84, 27,227.73 and 7,633.94 is: 11,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.84 : 27,227.73 = 7,633.94 : x
  2. Step 2: Convert to fraction form
    18,160.84/27,227.73 = 7,633.94/x
  3. Step 3: Cross multiply
    18,160.84x = 27,227.73 × 7,633.94
  4. Step 4: Simplify right side
    18,160.84x = 207,854,857.16
  5. Step 5: Solve for x
    x = 207,854,857.16/18,160.84
  6. Step 6: Final answer
    x = 11,445.23

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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.