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Finding the Fourth Proportional to 33,980.52, 50,918.76 and 14,248.28

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Solution

The fourth proportional to 33,980.52, 50,918.76 and 14,248.28 is: 21,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.52 : 50,918.76 = 14,248.28 : x
  2. Step 2: Convert to fraction form
    33,980.52/50,918.76 = 14,248.28/x
  3. Step 3: Cross multiply
    33,980.52x = 50,918.76 × 14,248.28
  4. Step 4: Simplify right side
    33,980.52x = 725,504,749.73
  5. Step 5: Solve for x
    x = 725,504,749.73/33,980.52
  6. Step 6: Final answer
    x = 21,350.61

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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.