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Finding the Fourth Proportional to 8,809.34, 13,213.74 and 2,235.44

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Solution

The fourth proportional to 8,809.34, 13,213.74 and 2,235.44 is: 3,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.34 : 13,213.74 = 2,235.44 : x
  2. Step 2: Convert to fraction form
    8,809.34/13,213.74 = 2,235.44/x
  3. Step 3: Cross multiply
    8,809.34x = 13,213.74 × 2,235.44
  4. Step 4: Simplify right side
    8,809.34x = 29,538,522.95
  5. Step 5: Solve for x
    x = 29,538,522.95/8,809.34
  6. Step 6: Final answer
    x = 3,353.09

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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.