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Finding the Fourth Proportional to 18,166.55, 27,262.27 and 7,073.29

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Solution

The fourth proportional to 18,166.55, 27,262.27 and 7,073.29 is: 10,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.55 : 27,262.27 = 7,073.29 : x
  2. Step 2: Convert to fraction form
    18,166.55/27,262.27 = 7,073.29/x
  3. Step 3: Cross multiply
    18,166.55x = 27,262.27 × 7,073.29
  4. Step 4: Simplify right side
    18,166.55x = 192,833,984.69
  5. Step 5: Solve for x
    x = 192,833,984.69/18,166.55
  6. Step 6: Final answer
    x = 10,614.79

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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.