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Finding the Fourth Proportional to 17,761.84, 26,636.04 and 6,072.88

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Solution

The fourth proportional to 17,761.84, 26,636.04 and 6,072.88 is: 9,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.84 : 26,636.04 = 6,072.88 : x
  2. Step 2: Convert to fraction form
    17,761.84/26,636.04 = 6,072.88/x
  3. Step 3: Cross multiply
    17,761.84x = 26,636.04 × 6,072.88
  4. Step 4: Simplify right side
    17,761.84x = 161,757,474.60
  5. Step 5: Solve for x
    x = 161,757,474.60/17,761.84
  6. Step 6: Final answer
    x = 9,107.02

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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.