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Finding the Fourth Proportional to 59,376.72, 81,940 and 32,519.44

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Solution

The fourth proportional to 59,376.72, 81,940 and 32,519.44 is: 44,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,376.72 : 81,940 = 32,519.44 : x
  2. Step 2: Convert to fraction form
    59,376.72/81,940 = 32,519.44/x
  3. Step 3: Cross multiply
    59,376.72x = 81,940 × 32,519.44
  4. Step 4: Simplify right side
    59,376.72x = 2,664,642,913.60
  5. Step 5: Solve for x
    x = 2,664,642,913.60/59,376.72
  6. Step 6: Final answer
    x = 44,876.90

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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.