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Finding the Fourth Proportional to 8,396.68, 12,594.21 and 2,553.34

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Solution

The fourth proportional to 8,396.68, 12,594.21 and 2,553.34 is: 3,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.68 : 12,594.21 = 2,553.34 : x
  2. Step 2: Convert to fraction form
    8,396.68/12,594.21 = 2,553.34/x
  3. Step 3: Cross multiply
    8,396.68x = 12,594.21 × 2,553.34
  4. Step 4: Simplify right side
    8,396.68x = 32,157,300.16
  5. Step 5: Solve for x
    x = 32,157,300.16/8,396.68
  6. Step 6: Final answer
    x = 3,829.76

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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.