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Finding the Fourth Proportional to 8,325.70, 12,476.22 and 3,641.42

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Solution

The fourth proportional to 8,325.70, 12,476.22 and 3,641.42 is: 5,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.70 : 12,476.22 = 3,641.42 : x
  2. Step 2: Convert to fraction form
    8,325.70/12,476.22 = 3,641.42/x
  3. Step 3: Cross multiply
    8,325.70x = 12,476.22 × 3,641.42
  4. Step 4: Simplify right side
    8,325.70x = 45,431,157.03
  5. Step 5: Solve for x
    x = 45,431,157.03/8,325.70
  6. Step 6: Final answer
    x = 5,456.74

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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.