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Finding the Fourth Proportional to 7,952.25, 11,928.39 and 3,335.25

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Solution

The fourth proportional to 7,952.25, 11,928.39 and 3,335.25 is: 5,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.25 : 11,928.39 = 3,335.25 : x
  2. Step 2: Convert to fraction form
    7,952.25/11,928.39 = 3,335.25/x
  3. Step 3: Cross multiply
    7,952.25x = 11,928.39 × 3,335.25
  4. Step 4: Simplify right side
    7,952.25x = 39,784,162.75
  5. Step 5: Solve for x
    x = 39,784,162.75/7,952.25
  6. Step 6: Final answer
    x = 5,002.88

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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.