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Finding the Fourth Proportional to 8,522.43, 12,783.78 and 2,599.44

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Solution

The fourth proportional to 8,522.43, 12,783.78 and 2,599.44 is: 3,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.43 : 12,783.78 = 2,599.44 : x
  2. Step 2: Convert to fraction form
    8,522.43/12,783.78 = 2,599.44/x
  3. Step 3: Cross multiply
    8,522.43x = 12,783.78 × 2,599.44
  4. Step 4: Simplify right side
    8,522.43x = 33,230,669.08
  5. Step 5: Solve for x
    x = 33,230,669.08/8,522.43
  6. Step 6: Final answer
    x = 3,899.20

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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.