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Finding the Fourth Proportional to 17,101.82, 23,600.90 and 10,728.68

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Solution

The fourth proportional to 17,101.82, 23,600.90 and 10,728.68 is: 14,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.82 : 23,600.90 = 10,728.68 : x
  2. Step 2: Convert to fraction form
    17,101.82/23,600.90 = 10,728.68/x
  3. Step 3: Cross multiply
    17,101.82x = 23,600.90 × 10,728.68
  4. Step 4: Simplify right side
    17,101.82x = 253,206,503.81
  5. Step 5: Solve for x
    x = 253,206,503.81/17,101.82
  6. Step 6: Final answer
    x = 14,805.82

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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.