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Finding the Fourth Proportional to 29,972.15, 44,960.62 and 8,911.85

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Solution

The fourth proportional to 29,972.15, 44,960.62 and 8,911.85 is: 13,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.15 : 44,960.62 = 8,911.85 : x
  2. Step 2: Convert to fraction form
    29,972.15/44,960.62 = 8,911.85/x
  3. Step 3: Cross multiply
    29,972.15x = 44,960.62 × 8,911.85
  4. Step 4: Simplify right side
    29,972.15x = 400,682,481.94
  5. Step 5: Solve for x
    x = 400,682,481.94/29,972.15
  6. Step 6: Final answer
    x = 13,368.49

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1.5x scale

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.