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Finding the Fourth Proportional to 27,720.48, 41,604.16 and 11,092.16

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Solution

The fourth proportional to 27,720.48, 41,604.16 and 11,092.16 is: 16,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.48 : 41,604.16 = 11,092.16 : x
  2. Step 2: Convert to fraction form
    27,720.48/41,604.16 = 11,092.16/x
  3. Step 3: Cross multiply
    27,720.48x = 41,604.16 × 11,092.16
  4. Step 4: Simplify right side
    27,720.48x = 461,479,999.39
  5. Step 5: Solve for x
    x = 461,479,999.39/27,720.48
  6. Step 6: Final answer
    x = 16,647.62

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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.