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Finding the Fourth Proportional to 29,991.33, 44,892.65 and 20,576.29

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Solution

The fourth proportional to 29,991.33, 44,892.65 and 20,576.29 is: 30,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.33 : 44,892.65 = 20,576.29 : x
  2. Step 2: Convert to fraction form
    29,991.33/44,892.65 = 20,576.29/x
  3. Step 3: Cross multiply
    29,991.33x = 44,892.65 × 20,576.29
  4. Step 4: Simplify right side
    29,991.33x = 923,724,133.83
  5. Step 5: Solve for x
    x = 923,724,133.83/29,991.33
  6. Step 6: Final answer
    x = 30,799.71

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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.