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Finding the Fourth Proportional to 29,666.70, 44,499.96 and 12,136.50

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Solution

The fourth proportional to 29,666.70, 44,499.96 and 12,136.50 is: 18,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,666.70 : 44,499.96 = 12,136.50 : x
  2. Step 2: Convert to fraction form
    29,666.70/44,499.96 = 12,136.50/x
  3. Step 3: Cross multiply
    29,666.70x = 44,499.96 × 12,136.50
  4. Step 4: Simplify right side
    29,666.70x = 540,073,764.54
  5. Step 5: Solve for x
    x = 540,073,764.54/29,666.70
  6. Step 6: Final answer
    x = 18,204.71

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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.