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Finding the Fourth Proportional to 5,910.28, 8,866.28 and 3,136.24

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Solution

The fourth proportional to 5,910.28, 8,866.28 and 3,136.24 is: 4,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.28 : 8,866.28 = 3,136.24 : x
  2. Step 2: Convert to fraction form
    5,910.28/8,866.28 = 3,136.24/x
  3. Step 3: Cross multiply
    5,910.28x = 8,866.28 × 3,136.24
  4. Step 4: Simplify right side
    5,910.28x = 27,806,781.99
  5. Step 5: Solve for x
    x = 27,806,781.99/5,910.28
  6. Step 6: Final answer
    x = 4,704.82

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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.