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Finding the Fourth Proportional to 1,292.54, 1,940.18 and 1,063.82

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Solution

The fourth proportional to 1,292.54, 1,940.18 and 1,063.82 is: 1,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292.54 : 1,940.18 = 1,063.82 : x
  2. Step 2: Convert to fraction form
    1,292.54/1,940.18 = 1,063.82/x
  3. Step 3: Cross multiply
    1,292.54x = 1,940.18 × 1,063.82
  4. Step 4: Simplify right side
    1,292.54x = 2,063,987.27
  5. Step 5: Solve for x
    x = 2,063,987.27/1,292.54
  6. Step 6: Final answer
    x = 1,596.85

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