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Finding the Fourth Proportional to 55,295.76, 82,960.02 and 21,996.84

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Solution

The fourth proportional to 55,295.76, 82,960.02 and 21,996.84 is: 33,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295.76 : 82,960.02 = 21,996.84 : x
  2. Step 2: Convert to fraction form
    55,295.76/82,960.02 = 21,996.84/x
  3. Step 3: Cross multiply
    55,295.76x = 82,960.02 × 21,996.84
  4. Step 4: Simplify right side
    55,295.76x = 1,824,858,286.34
  5. Step 5: Solve for x
    x = 1,824,858,286.34/55,295.76
  6. Step 6: Final answer
    x = 33,001.78

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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.