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Finding the Fourth Proportional to 62,311.44, 93,453.18 and 17,928.30

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Solution

The fourth proportional to 62,311.44, 93,453.18 and 17,928.30 is: 26,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,311.44 : 93,453.18 = 17,928.30 : x
  2. Step 2: Convert to fraction form
    62,311.44/93,453.18 = 17,928.30/x
  3. Step 3: Cross multiply
    62,311.44x = 93,453.18 × 17,928.30
  4. Step 4: Simplify right side
    62,311.44x = 1,675,456,179.73
  5. Step 5: Solve for x
    x = 1,675,456,179.73/62,311.44
  6. Step 6: Final answer
    x = 26,888.42

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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.