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Finding the Fourth Proportional to 6,936.64, 9,572.47 and 3,952.65

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Solution

The fourth proportional to 6,936.64, 9,572.47 and 3,952.65 is: 5,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.64 : 9,572.47 = 3,952.65 : x
  2. Step 2: Convert to fraction form
    6,936.64/9,572.47 = 3,952.65/x
  3. Step 3: Cross multiply
    6,936.64x = 9,572.47 × 3,952.65
  4. Step 4: Simplify right side
    6,936.64x = 37,836,623.55
  5. Step 5: Solve for x
    x = 37,836,623.55/6,936.64
  6. Step 6: Final answer
    x = 5,454.60

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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.