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Finding the Fourth Proportional to 5,811.92, 8,712.98 and 2,522.54

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Solution

The fourth proportional to 5,811.92, 8,712.98 and 2,522.54 is: 3,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.92 : 8,712.98 = 2,522.54 : x
  2. Step 2: Convert to fraction form
    5,811.92/8,712.98 = 2,522.54/x
  3. Step 3: Cross multiply
    5,811.92x = 8,712.98 × 2,522.54
  4. Step 4: Simplify right side
    5,811.92x = 21,978,840.57
  5. Step 5: Solve for x
    x = 21,978,840.57/5,811.92
  6. Step 6: Final answer
    x = 3,781.68

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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.