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Finding the Fourth Proportional to 5,879.66, 8,820.92 and 3,382.45

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Solution

The fourth proportional to 5,879.66, 8,820.92 and 3,382.45 is: 5,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.66 : 8,820.92 = 3,382.45 : x
  2. Step 2: Convert to fraction form
    5,879.66/8,820.92 = 3,382.45/x
  3. Step 3: Cross multiply
    5,879.66x = 8,820.92 × 3,382.45
  4. Step 4: Simplify right side
    5,879.66x = 29,836,281.89
  5. Step 5: Solve for x
    x = 29,836,281.89/5,879.66
  6. Step 6: Final answer
    x = 5,074.49

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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.