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Finding the Fourth Proportional to 55,481.38, 83,243.02 and 33,310.21

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Solution

The fourth proportional to 55,481.38, 83,243.02 and 33,310.21 is: 49,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.38 : 83,243.02 = 33,310.21 : x
  2. Step 2: Convert to fraction form
    55,481.38/83,243.02 = 33,310.21/x
  3. Step 3: Cross multiply
    55,481.38x = 83,243.02 × 33,310.21
  4. Step 4: Simplify right side
    55,481.38x = 2,772,842,477.23
  5. Step 5: Solve for x
    x = 2,772,842,477.23/55,481.38
  6. Step 6: Final answer
    x = 49,977.89

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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.