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Finding the Fourth Proportional to 5,879.63, 8,820.66 and 1,983.94

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Solution

The fourth proportional to 5,879.63, 8,820.66 and 1,983.94 is: 2,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.63 : 8,820.66 = 1,983.94 : x
  2. Step 2: Convert to fraction form
    5,879.63/8,820.66 = 1,983.94/x
  3. Step 3: Cross multiply
    5,879.63x = 8,820.66 × 1,983.94
  4. Step 4: Simplify right side
    5,879.63x = 17,499,645.59
  5. Step 5: Solve for x
    x = 17,499,645.59/5,879.63
  6. Step 6: Final answer
    x = 2,976.32

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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.