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Finding the Fourth Proportional to 17,073.69, 23,561.79 and 9,520.50

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Solution

The fourth proportional to 17,073.69, 23,561.79 and 9,520.50 is: 13,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.69 : 23,561.79 = 9,520.50 : x
  2. Step 2: Convert to fraction form
    17,073.69/23,561.79 = 9,520.50/x
  3. Step 3: Cross multiply
    17,073.69x = 23,561.79 × 9,520.50
  4. Step 4: Simplify right side
    17,073.69x = 224,320,021.70
  5. Step 5: Solve for x
    x = 224,320,021.70/17,073.69
  6. Step 6: Final answer
    x = 13,138.34

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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.