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Finding the Fourth Proportional to 6,936.51, 9,572.10 and 3,952.09

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Solution

The fourth proportional to 6,936.51, 9,572.10 and 3,952.09 is: 5,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.51 : 9,572.10 = 3,952.09 : x
  2. Step 2: Convert to fraction form
    6,936.51/9,572.10 = 3,952.09/x
  3. Step 3: Cross multiply
    6,936.51x = 9,572.10 × 3,952.09
  4. Step 4: Simplify right side
    6,936.51x = 37,829,761.94
  5. Step 5: Solve for x
    x = 37,829,761.94/6,936.51
  6. Step 6: Final answer
    x = 5,453.72

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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.