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Finding the Fourth Proportional to 6,079.56, 8,391.86 and 3,562.47

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Solution

The fourth proportional to 6,079.56, 8,391.86 and 3,562.47 is: 4,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.56 : 8,391.86 = 3,562.47 : x
  2. Step 2: Convert to fraction form
    6,079.56/8,391.86 = 3,562.47/x
  3. Step 3: Cross multiply
    6,079.56x = 8,391.86 × 3,562.47
  4. Step 4: Simplify right side
    6,079.56x = 29,895,749.49
  5. Step 5: Solve for x
    x = 29,895,749.49/6,079.56
  6. Step 6: Final answer
    x = 4,917.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.