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Finding the Fourth Proportional to 33,359.68, 45,999.52 and 22,728

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Solution

The fourth proportional to 33,359.68, 45,999.52 and 22,728 is: 31,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,359.68 : 45,999.52 = 22,728 : x
  2. Step 2: Convert to fraction form
    33,359.68/45,999.52 = 22,728/x
  3. Step 3: Cross multiply
    33,359.68x = 45,999.52 × 22,728
  4. Step 4: Simplify right side
    33,359.68x = 1,045,477,090.56
  5. Step 5: Solve for x
    x = 1,045,477,090.56/33,359.68
  6. Step 6: Final answer
    x = 31,339.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.