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Finding the Fourth Proportional to 17,965.80, 26,950.08 and 4,817.88

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Solution

The fourth proportional to 17,965.80, 26,950.08 and 4,817.88 is: 7,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.80 : 26,950.08 = 4,817.88 : x
  2. Step 2: Convert to fraction form
    17,965.80/26,950.08 = 4,817.88/x
  3. Step 3: Cross multiply
    17,965.80x = 26,950.08 × 4,817.88
  4. Step 4: Simplify right side
    17,965.80x = 129,842,251.43
  5. Step 5: Solve for x
    x = 129,842,251.43/17,965.80
  6. Step 6: Final answer
    x = 7,227.19

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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.