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Finding the Fourth Proportional to 17,790.25, 26,700.33 and 8,902.91

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Solution

The fourth proportional to 17,790.25, 26,700.33 and 8,902.91 is: 13,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.25 : 26,700.33 = 8,902.91 : x
  2. Step 2: Convert to fraction form
    17,790.25/26,700.33 = 8,902.91/x
  3. Step 3: Cross multiply
    17,790.25x = 26,700.33 × 8,902.91
  4. Step 4: Simplify right side
    17,790.25x = 237,710,634.96
  5. Step 5: Solve for x
    x = 237,710,634.96/17,790.25
  6. Step 6: Final answer
    x = 13,361.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.