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Finding the Fourth Proportional to 8,168.55, 12,254.64 and 2,325.21

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Solution

The fourth proportional to 8,168.55, 12,254.64 and 2,325.21 is: 3,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.55 : 12,254.64 = 2,325.21 : x
  2. Step 2: Convert to fraction form
    8,168.55/12,254.64 = 2,325.21/x
  3. Step 3: Cross multiply
    8,168.55x = 12,254.64 × 2,325.21
  4. Step 4: Simplify right side
    8,168.55x = 28,494,611.47
  5. Step 5: Solve for x
    x = 28,494,611.47/8,168.55
  6. Step 6: Final answer
    x = 3,488.33

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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.