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Finding the Fourth Proportional to 59,872.70, 89,782.97 and 17,168.71

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Solution

The fourth proportional to 59,872.70, 89,782.97 and 17,168.71 is: 25,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,872.70 : 89,782.97 = 17,168.71 : x
  2. Step 2: Convert to fraction form
    59,872.70/89,782.97 = 17,168.71/x
  3. Step 3: Cross multiply
    59,872.70x = 89,782.97 × 17,168.71
  4. Step 4: Simplify right side
    59,872.70x = 1,541,457,705.34
  5. Step 5: Solve for x
    x = 1,541,457,705.34/59,872.70
  6. Step 6: Final answer
    x = 25,745.58

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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.