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Finding the Fourth Proportional to 7,956.52, 11,934.98 and 2,113.12

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Solution

The fourth proportional to 7,956.52, 11,934.98 and 2,113.12 is: 3,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.52 : 11,934.98 = 2,113.12 : x
  2. Step 2: Convert to fraction form
    7,956.52/11,934.98 = 2,113.12/x
  3. Step 3: Cross multiply
    7,956.52x = 11,934.98 × 2,113.12
  4. Step 4: Simplify right side
    7,956.52x = 25,220,044.94
  5. Step 5: Solve for x
    x = 25,220,044.94/7,956.52
  6. Step 6: Final answer
    x = 3,169.73

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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.