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Finding the Fourth Proportional to 33,283, 45,930.58 and 18,379

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Solution

The fourth proportional to 33,283, 45,930.58 and 18,379 is: 25,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,283 : 45,930.58 = 18,379 : x
  2. Step 2: Convert to fraction form
    33,283/45,930.58 = 18,379/x
  3. Step 3: Cross multiply
    33,283x = 45,930.58 × 18,379
  4. Step 4: Simplify right side
    33,283x = 844,158,129.82
  5. Step 5: Solve for x
    x = 844,158,129.82/33,283
  6. Step 6: Final answer
    x = 25,363.04

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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.