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Finding the Fourth Proportional to 17,243.38, 23,795.88 and 9,791.38

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Solution

The fourth proportional to 17,243.38, 23,795.88 and 9,791.38 is: 13,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.38 : 23,795.88 = 9,791.38 : x
  2. Step 2: Convert to fraction form
    17,243.38/23,795.88 = 9,791.38/x
  3. Step 3: Cross multiply
    17,243.38x = 23,795.88 × 9,791.38
  4. Step 4: Simplify right side
    17,243.38x = 232,994,503.51
  5. Step 5: Solve for x
    x = 232,994,503.51/17,243.38
  6. Step 6: Final answer
    x = 13,512.11

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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.