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Finding the Fourth Proportional to 1,375.73, 2,059.52 and 1,234.97

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Solution

The fourth proportional to 1,375.73, 2,059.52 and 1,234.97 is: 1,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.73 : 2,059.52 = 1,234.97 : x
  2. Step 2: Convert to fraction form
    1,375.73/2,059.52 = 1,234.97/x
  3. Step 3: Cross multiply
    1,375.73x = 2,059.52 × 1,234.97
  4. Step 4: Simplify right side
    1,375.73x = 2,543,445.41
  5. Step 5: Solve for x
    x = 2,543,445.41/1,375.73
  6. Step 6: Final answer
    x = 1,848.80

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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.