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Finding the Fourth Proportional to 7,996.68, 11,996.28 and 2,153.52

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Solution

The fourth proportional to 7,996.68, 11,996.28 and 2,153.52 is: 3,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.68 : 11,996.28 = 2,153.52 : x
  2. Step 2: Convert to fraction form
    7,996.68/11,996.28 = 2,153.52/x
  3. Step 3: Cross multiply
    7,996.68x = 11,996.28 × 2,153.52
  4. Step 4: Simplify right side
    7,996.68x = 25,834,228.91
  5. Step 5: Solve for x
    x = 25,834,228.91/7,996.68
  6. Step 6: Final answer
    x = 3,230.62

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1.5x scale

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.