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Finding the Fourth Proportional to 5,306.48, 7,961.34 and 1,844

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Solution

The fourth proportional to 5,306.48, 7,961.34 and 1,844 is: 2,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.48 : 7,961.34 = 1,844 : x
  2. Step 2: Convert to fraction form
    5,306.48/7,961.34 = 1,844/x
  3. Step 3: Cross multiply
    5,306.48x = 7,961.34 × 1,844
  4. Step 4: Simplify right side
    5,306.48x = 14,680,710.96
  5. Step 5: Solve for x
    x = 14,680,710.96/5,306.48
  6. Step 6: Final answer
    x = 2,766.56

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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.