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Finding the Fourth Proportional to 14,793.03, 20,414.43 and 8,505

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Solution

The fourth proportional to 14,793.03, 20,414.43 and 8,505 is: 11,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.03 : 20,414.43 = 8,505 : x
  2. Step 2: Convert to fraction form
    14,793.03/20,414.43 = 8,505/x
  3. Step 3: Cross multiply
    14,793.03x = 20,414.43 × 8,505
  4. Step 4: Simplify right side
    14,793.03x = 173,624,727.15
  5. Step 5: Solve for x
    x = 173,624,727.15/14,793.03
  6. Step 6: Final answer
    x = 11,736.93

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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.