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Finding the Fourth Proportional to 18,494.01, 27,732.48 and 7,391.34

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Solution

The fourth proportional to 18,494.01, 27,732.48 and 7,391.34 is: 11,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.01 : 27,732.48 = 7,391.34 : x
  2. Step 2: Convert to fraction form
    18,494.01/27,732.48 = 7,391.34/x
  3. Step 3: Cross multiply
    18,494.01x = 27,732.48 × 7,391.34
  4. Step 4: Simplify right side
    18,494.01x = 204,980,188.72
  5. Step 5: Solve for x
    x = 204,980,188.72/18,494.01
  6. Step 6: Final answer
    x = 11,083.60

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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.