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Finding the Fourth Proportional to 8,245.48, 12,370.14 and 4,348.84

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Solution

The fourth proportional to 8,245.48, 12,370.14 and 4,348.84 is: 6,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.48 : 12,370.14 = 4,348.84 : x
  2. Step 2: Convert to fraction form
    8,245.48/12,370.14 = 4,348.84/x
  3. Step 3: Cross multiply
    8,245.48x = 12,370.14 × 4,348.84
  4. Step 4: Simplify right side
    8,245.48x = 53,795,759.64
  5. Step 5: Solve for x
    x = 53,795,759.64/8,245.48
  6. Step 6: Final answer
    x = 6,524.27

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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.