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Finding the Fourth Proportional to 27,171.54, 40,755.33 and 7,448.54

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Solution

The fourth proportional to 27,171.54, 40,755.33 and 7,448.54 is: 11,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,171.54 : 40,755.33 = 7,448.54 : x
  2. Step 2: Convert to fraction form
    27,171.54/40,755.33 = 7,448.54/x
  3. Step 3: Cross multiply
    27,171.54x = 40,755.33 × 7,448.54
  4. Step 4: Simplify right side
    27,171.54x = 303,567,705.72
  5. Step 5: Solve for x
    x = 303,567,705.72/27,171.54
  6. Step 6: Final answer
    x = 11,172.27

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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.