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Finding the Fourth Proportional to 25,622.62, 38,451.03 and 8,982.64

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Solution

The fourth proportional to 25,622.62, 38,451.03 and 8,982.64 is: 13,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.62 : 38,451.03 = 8,982.64 : x
  2. Step 2: Convert to fraction form
    25,622.62/38,451.03 = 8,982.64/x
  3. Step 3: Cross multiply
    25,622.62x = 38,451.03 × 8,982.64
  4. Step 4: Simplify right side
    25,622.62x = 345,391,760.12
  5. Step 5: Solve for x
    x = 345,391,760.12/25,622.62
  6. Step 6: Final answer
    x = 13,479.95

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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.