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Finding the Fourth Proportional to 4,922.54, 7,384.54 and 1,759.73

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Solution

The fourth proportional to 4,922.54, 7,384.54 and 1,759.73 is: 2,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.54 : 7,384.54 = 1,759.73 : x
  2. Step 2: Convert to fraction form
    4,922.54/7,384.54 = 1,759.73/x
  3. Step 3: Cross multiply
    4,922.54x = 7,384.54 × 1,759.73
  4. Step 4: Simplify right side
    4,922.54x = 12,994,810.64
  5. Step 5: Solve for x
    x = 12,994,810.64/4,922.54
  6. Step 6: Final answer
    x = 2,639.86

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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.