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Finding the Fourth Proportional to 49,899.62, 68,830.88 and 33,991.22

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Solution

The fourth proportional to 49,899.62, 68,830.88 and 33,991.22 is: 46,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,899.62 : 68,830.88 = 33,991.22 : x
  2. Step 2: Convert to fraction form
    49,899.62/68,830.88 = 33,991.22/x
  3. Step 3: Cross multiply
    49,899.62x = 68,830.88 × 33,991.22
  4. Step 4: Simplify right side
    49,899.62x = 2,339,645,584.87
  5. Step 5: Solve for x
    x = 2,339,645,584.87/49,899.62
  6. Step 6: Final answer
    x = 46,887.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.