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Finding the Fourth Proportional to 8,396.49, 12,594.87 and 2,553.42

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Solution

The fourth proportional to 8,396.49, 12,594.87 and 2,553.42 is: 3,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.49 : 12,594.87 = 2,553.42 : x
  2. Step 2: Convert to fraction form
    8,396.49/12,594.87 = 2,553.42/x
  3. Step 3: Cross multiply
    8,396.49x = 12,594.87 × 2,553.42
  4. Step 4: Simplify right side
    8,396.49x = 32,159,992.96
  5. Step 5: Solve for x
    x = 32,159,992.96/8,396.49
  6. Step 6: Final answer
    x = 3,830.17

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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.