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Finding the Fourth Proportional to 17,369.97, 23,971.85 and 9,817.17

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Solution

The fourth proportional to 17,369.97, 23,971.85 and 9,817.17 is: 13,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.97 : 23,971.85 = 9,817.17 : x
  2. Step 2: Convert to fraction form
    17,369.97/23,971.85 = 9,817.17/x
  3. Step 3: Cross multiply
    17,369.97x = 23,971.85 × 9,817.17
  4. Step 4: Simplify right side
    17,369.97x = 235,335,677.58
  5. Step 5: Solve for x
    x = 235,335,677.58/17,369.97
  6. Step 6: Final answer
    x = 13,548.42

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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.