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Finding the Fourth Proportional to 5,771.54, 8,648.94 and 3,136.82

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Solution

The fourth proportional to 5,771.54, 8,648.94 and 3,136.82 is: 4,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.54 : 8,648.94 = 3,136.82 : x
  2. Step 2: Convert to fraction form
    5,771.54/8,648.94 = 3,136.82/x
  3. Step 3: Cross multiply
    5,771.54x = 8,648.94 × 3,136.82
  4. Step 4: Simplify right side
    5,771.54x = 27,130,124.73
  5. Step 5: Solve for x
    x = 27,130,124.73/5,771.54
  6. Step 6: Final answer
    x = 4,700.68

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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.