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Finding the Fourth Proportional to 59,653.75, 89,481.17 and 18,100.75

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Solution

The fourth proportional to 59,653.75, 89,481.17 and 18,100.75 is: 27,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,653.75 : 89,481.17 = 18,100.75 : x
  2. Step 2: Convert to fraction form
    59,653.75/89,481.17 = 18,100.75/x
  3. Step 3: Cross multiply
    59,653.75x = 89,481.17 × 18,100.75
  4. Step 4: Simplify right side
    59,653.75x = 1,619,676,287.88
  5. Step 5: Solve for x
    x = 1,619,676,287.88/59,653.75
  6. Step 6: Final answer
    x = 27,151.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.