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Finding the Fourth Proportional to 4,229.51, 6,333.26 and 2,917.31

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Solution

The fourth proportional to 4,229.51, 6,333.26 and 2,917.31 is: 4,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.51 : 6,333.26 = 2,917.31 : x
  2. Step 2: Convert to fraction form
    4,229.51/6,333.26 = 2,917.31/x
  3. Step 3: Cross multiply
    4,229.51x = 6,333.26 × 2,917.31
  4. Step 4: Simplify right side
    4,229.51x = 18,476,036.48
  5. Step 5: Solve for x
    x = 18,476,036.48/4,229.51
  6. Step 6: Final answer
    x = 4,368.37

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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.