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Finding the Fourth Proportional to 29,981.67, 44,964.67 and 8,916.04

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Solution

The fourth proportional to 29,981.67, 44,964.67 and 8,916.04 is: 13,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.67 : 44,964.67 = 8,916.04 : x
  2. Step 2: Convert to fraction form
    29,981.67/44,964.67 = 8,916.04/x
  3. Step 3: Cross multiply
    29,981.67x = 44,964.67 × 8,916.04
  4. Step 4: Simplify right side
    29,981.67x = 400,906,796.31
  5. Step 5: Solve for x
    x = 400,906,796.31/29,981.67
  6. Step 6: Final answer
    x = 13,371.73

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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.