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Finding the Fourth Proportional to 29,709.50, 40,999.11 and 17,773.34

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Solution

The fourth proportional to 29,709.50, 40,999.11 and 17,773.34 is: 24,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.50 : 40,999.11 = 17,773.34 : x
  2. Step 2: Convert to fraction form
    29,709.50/40,999.11 = 17,773.34/x
  3. Step 3: Cross multiply
    29,709.50x = 40,999.11 × 17,773.34
  4. Step 4: Simplify right side
    29,709.50x = 728,691,121.73
  5. Step 5: Solve for x
    x = 728,691,121.73/29,709.50
  6. Step 6: Final answer
    x = 24,527.21

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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.