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Finding the Fourth Proportional to 19,755.73, 29,633.57 and 9,080.89

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Solution

The fourth proportional to 19,755.73, 29,633.57 and 9,080.89 is: 13,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.73 : 29,633.57 = 9,080.89 : x
  2. Step 2: Convert to fraction form
    19,755.73/29,633.57 = 9,080.89/x
  3. Step 3: Cross multiply
    19,755.73x = 29,633.57 × 9,080.89
  4. Step 4: Simplify right side
    19,755.73x = 269,099,144.07
  5. Step 5: Solve for x
    x = 269,099,144.07/19,755.73
  6. Step 6: Final answer
    x = 13,621.32

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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.