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Finding the Fourth Proportional to 3,317.88, 4,976.88 and 2,010.48

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Solution

The fourth proportional to 3,317.88, 4,976.88 and 2,010.48 is: 3,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.88 : 4,976.88 = 2,010.48 : x
  2. Step 2: Convert to fraction form
    3,317.88/4,976.88 = 2,010.48/x
  3. Step 3: Cross multiply
    3,317.88x = 4,976.88 × 2,010.48
  4. Step 4: Simplify right side
    3,317.88x = 10,005,917.70
  5. Step 5: Solve for x
    x = 10,005,917.70/3,317.88
  6. Step 6: Final answer
    x = 3,015.76

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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.