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Finding the Fourth Proportional to 14,819.33, 20,450.60 and 8,104.84

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Solution

The fourth proportional to 14,819.33, 20,450.60 and 8,104.84 is: 11,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.33 : 20,450.60 = 8,104.84 : x
  2. Step 2: Convert to fraction form
    14,819.33/20,450.60 = 8,104.84/x
  3. Step 3: Cross multiply
    14,819.33x = 20,450.60 × 8,104.84
  4. Step 4: Simplify right side
    14,819.33x = 165,748,840.90
  5. Step 5: Solve for x
    x = 165,748,840.90/14,819.33
  6. Step 6: Final answer
    x = 11,184.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.