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Finding the Fourth Proportional to 5,682.39, 8,522.97 and 1,522.81

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Solution

The fourth proportional to 5,682.39, 8,522.97 and 1,522.81 is: 2,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.39 : 8,522.97 = 1,522.81 : x
  2. Step 2: Convert to fraction form
    5,682.39/8,522.97 = 1,522.81/x
  3. Step 3: Cross multiply
    5,682.39x = 8,522.97 × 1,522.81
  4. Step 4: Simplify right side
    5,682.39x = 12,978,863.95
  5. Step 5: Solve for x
    x = 12,978,863.95/5,682.39
  6. Step 6: Final answer
    x = 2,284.05

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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.