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Finding the Fourth Proportional to 27,261.39, 40,892.07 and 7,270.89

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Solution

The fourth proportional to 27,261.39, 40,892.07 and 7,270.89 is: 10,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.39 : 40,892.07 = 7,270.89 : x
  2. Step 2: Convert to fraction form
    27,261.39/40,892.07 = 7,270.89/x
  3. Step 3: Cross multiply
    27,261.39x = 40,892.07 × 7,270.89
  4. Step 4: Simplify right side
    27,261.39x = 297,321,742.84
  5. Step 5: Solve for x
    x = 297,321,742.84/27,261.39
  6. Step 6: Final answer
    x = 10,906.33

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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.