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Finding the Fourth Proportional to 29,970.72, 44,936.64 and 16,129.44

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Solution

The fourth proportional to 29,970.72, 44,936.64 and 16,129.44 is: 24,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.72 : 44,936.64 = 16,129.44 : x
  2. Step 2: Convert to fraction form
    29,970.72/44,936.64 = 16,129.44/x
  3. Step 3: Cross multiply
    29,970.72x = 44,936.64 × 16,129.44
  4. Step 4: Simplify right side
    29,970.72x = 724,802,838.68
  5. Step 5: Solve for x
    x = 724,802,838.68/29,970.72
  6. Step 6: Final answer
    x = 24,183.70

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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.