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Finding the Fourth Proportional to 7,330.91, 10,998.24 and 2,136.77

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Solution

The fourth proportional to 7,330.91, 10,998.24 and 2,136.77 is: 3,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.91 : 10,998.24 = 2,136.77 : x
  2. Step 2: Convert to fraction form
    7,330.91/10,998.24 = 2,136.77/x
  3. Step 3: Cross multiply
    7,330.91x = 10,998.24 × 2,136.77
  4. Step 4: Simplify right side
    7,330.91x = 23,500,709.28
  5. Step 5: Solve for x
    x = 23,500,709.28/7,330.91
  6. Step 6: Final answer
    x = 3,205.70

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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.