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Finding the Fourth Proportional to 5,326.43, 7,350.53 and 2,936.48

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Solution

The fourth proportional to 5,326.43, 7,350.53 and 2,936.48 is: 4,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.43 : 7,350.53 = 2,936.48 : x
  2. Step 2: Convert to fraction form
    5,326.43/7,350.53 = 2,936.48/x
  3. Step 3: Cross multiply
    5,326.43x = 7,350.53 × 2,936.48
  4. Step 4: Simplify right side
    5,326.43x = 21,584,669.65
  5. Step 5: Solve for x
    x = 21,584,669.65/5,326.43
  6. Step 6: Final answer
    x = 4,052.37

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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.