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Finding the Fourth Proportional to 7,957.52, 11,936.28 and 2,763.38

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Solution

The fourth proportional to 7,957.52, 11,936.28 and 2,763.38 is: 4,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.52 : 11,936.28 = 2,763.38 : x
  2. Step 2: Convert to fraction form
    7,957.52/11,936.28 = 2,763.38/x
  3. Step 3: Cross multiply
    7,957.52x = 11,936.28 × 2,763.38
  4. Step 4: Simplify right side
    7,957.52x = 32,984,477.43
  5. Step 5: Solve for x
    x = 32,984,477.43/7,957.52
  6. Step 6: Final answer
    x = 4,145.07

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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.