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Finding the Fourth Proportional to 17,351.90, 23,945.63 and 9,394.12

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Solution

The fourth proportional to 17,351.90, 23,945.63 and 9,394.12 is: 12,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.90 : 23,945.63 = 9,394.12 : x
  2. Step 2: Convert to fraction form
    17,351.90/23,945.63 = 9,394.12/x
  3. Step 3: Cross multiply
    17,351.90x = 23,945.63 × 9,394.12
  4. Step 4: Simplify right side
    17,351.90x = 224,948,121.70
  5. Step 5: Solve for x
    x = 224,948,121.70/17,351.90
  6. Step 6: Final answer
    x = 12,963.89

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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.