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Finding the Fourth Proportional to 33,242, 45,874.82 and 18,134.92

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Solution

The fourth proportional to 33,242, 45,874.82 and 18,134.92 is: 25,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,242 : 45,874.82 = 18,134.92 : x
  2. Step 2: Convert to fraction form
    33,242/45,874.82 = 18,134.92/x
  3. Step 3: Cross multiply
    33,242x = 45,874.82 × 18,134.92
  4. Step 4: Simplify right side
    33,242x = 831,936,190.71
  5. Step 5: Solve for x
    x = 831,936,190.71/33,242
  6. Step 6: Final answer
    x = 25,026.66

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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.