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Finding the Fourth Proportional to 59,716.70, 89,586.78 and 19,734.06

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Solution

The fourth proportional to 59,716.70, 89,586.78 and 19,734.06 is: 29,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,716.70 : 89,586.78 = 19,734.06 : x
  2. Step 2: Convert to fraction form
    59,716.70/89,586.78 = 19,734.06/x
  3. Step 3: Cross multiply
    59,716.70x = 89,586.78 × 19,734.06
  4. Step 4: Simplify right side
    59,716.70x = 1,767,910,891.73
  5. Step 5: Solve for x
    x = 1,767,910,891.73/59,716.70
  6. Step 6: Final answer
    x = 29,604.97

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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.