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Finding the Fourth Proportional to 27,941.25, 41,907.77 and 9,221.90

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Solution

The fourth proportional to 27,941.25, 41,907.77 and 9,221.90 is: 13,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.25 : 41,907.77 = 9,221.90 : x
  2. Step 2: Convert to fraction form
    27,941.25/41,907.77 = 9,221.90/x
  3. Step 3: Cross multiply
    27,941.25x = 41,907.77 × 9,221.90
  4. Step 4: Simplify right side
    27,941.25x = 386,469,054.62
  5. Step 5: Solve for x
    x = 386,469,054.62/27,941.25
  6. Step 6: Final answer
    x = 13,831.49

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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.