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Finding the Fourth Proportional to 8,234.52, 12,348.90 and 3,553.26

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Solution

The fourth proportional to 8,234.52, 12,348.90 and 3,553.26 is: 5,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.52 : 12,348.90 = 3,553.26 : x
  2. Step 2: Convert to fraction form
    8,234.52/12,348.90 = 3,553.26/x
  3. Step 3: Cross multiply
    8,234.52x = 12,348.90 × 3,553.26
  4. Step 4: Simplify right side
    8,234.52x = 43,878,852.41
  5. Step 5: Solve for x
    x = 43,878,852.41/8,234.52
  6. Step 6: Final answer
    x = 5,328.65

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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.