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Finding the Fourth Proportional to 43,389, 59,876.82 and 23,517

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Solution

The fourth proportional to 43,389, 59,876.82 and 23,517 is: 32,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389 : 59,876.82 = 23,517 : x
  2. Step 2: Convert to fraction form
    43,389/59,876.82 = 23,517/x
  3. Step 3: Cross multiply
    43,389x = 59,876.82 × 23,517
  4. Step 4: Simplify right side
    43,389x = 1,408,123,175.94
  5. Step 5: Solve for x
    x = 1,408,123,175.94/43,389
  6. Step 6: Final answer
    x = 32,453.46

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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.