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Finding the Fourth Proportional to 29,942.97, 44,906.79 and 8,878.08

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Solution

The fourth proportional to 29,942.97, 44,906.79 and 8,878.08 is: 13,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.97 : 44,906.79 = 8,878.08 : x
  2. Step 2: Convert to fraction form
    29,942.97/44,906.79 = 8,878.08/x
  3. Step 3: Cross multiply
    29,942.97x = 44,906.79 × 8,878.08
  4. Step 4: Simplify right side
    29,942.97x = 398,686,074.16
  5. Step 5: Solve for x
    x = 398,686,074.16/29,942.97
  6. Step 6: Final answer
    x = 13,314.85

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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.