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Finding the Fourth Proportional to 29,983.53, 44,975.07 and 9,994.54

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Solution

The fourth proportional to 29,983.53, 44,975.07 and 9,994.54 is: 14,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,983.53 : 44,975.07 = 9,994.54 : x
  2. Step 2: Convert to fraction form
    29,983.53/44,975.07 = 9,994.54/x
  3. Step 3: Cross multiply
    29,983.53x = 44,975.07 × 9,994.54
  4. Step 4: Simplify right side
    29,983.53x = 449,505,136.12
  5. Step 5: Solve for x
    x = 449,505,136.12/29,983.53
  6. Step 6: Final answer
    x = 14,991.73

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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.