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Finding the Fourth Proportional to 33,011, 45,557.34 and 18,107

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Solution

The fourth proportional to 33,011, 45,557.34 and 18,107 is: 24,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011 : 45,557.34 = 18,107 : x
  2. Step 2: Convert to fraction form
    33,011/45,557.34 = 18,107/x
  3. Step 3: Cross multiply
    33,011x = 45,557.34 × 18,107
  4. Step 4: Simplify right side
    33,011x = 824,906,755.38
  5. Step 5: Solve for x
    x = 824,906,755.38/33,011
  6. Step 6: Final answer
    x = 24,988.84

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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.