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Finding the Fourth Proportional to 18,554.38, 27,842.37 and 7,462.06

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Solution

The fourth proportional to 18,554.38, 27,842.37 and 7,462.06 is: 11,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.38 : 27,842.37 = 7,462.06 : x
  2. Step 2: Convert to fraction form
    18,554.38/27,842.37 = 7,462.06/x
  3. Step 3: Cross multiply
    18,554.38x = 27,842.37 × 7,462.06
  4. Step 4: Simplify right side
    18,554.38x = 207,761,435.48
  5. Step 5: Solve for x
    x = 207,761,435.48/18,554.38
  6. Step 6: Final answer
    x = 11,197.43

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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.