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Finding the Fourth Proportional to 6,336.96, 8,744.40 and 5,013.96

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Solution

The fourth proportional to 6,336.96, 8,744.40 and 5,013.96 is: 6,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.96 : 8,744.40 = 5,013.96 : x
  2. Step 2: Convert to fraction form
    6,336.96/8,744.40 = 5,013.96/x
  3. Step 3: Cross multiply
    6,336.96x = 8,744.40 × 5,013.96
  4. Step 4: Simplify right side
    6,336.96x = 43,844,071.82
  5. Step 5: Solve for x
    x = 43,844,071.82/6,336.96
  6. Step 6: Final answer
    x = 6,918.79

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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.