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Finding the Fourth Proportional to 29,673.72, 44,510.58 and 11,912.49

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Solution

The fourth proportional to 29,673.72, 44,510.58 and 11,912.49 is: 17,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.72 : 44,510.58 = 11,912.49 : x
  2. Step 2: Convert to fraction form
    29,673.72/44,510.58 = 11,912.49/x
  3. Step 3: Cross multiply
    29,673.72x = 44,510.58 × 11,912.49
  4. Step 4: Simplify right side
    29,673.72x = 530,231,839.14
  5. Step 5: Solve for x
    x = 530,231,839.14/29,673.72
  6. Step 6: Final answer
    x = 17,868.74

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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.