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Finding the Fourth Proportional to 17,571.68, 26,314.86 and 9,662.12

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Solution

The fourth proportional to 17,571.68, 26,314.86 and 9,662.12 is: 14,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,571.68 : 26,314.86 = 9,662.12 : x
  2. Step 2: Convert to fraction form
    17,571.68/26,314.86 = 9,662.12/x
  3. Step 3: Cross multiply
    17,571.68x = 26,314.86 × 9,662.12
  4. Step 4: Simplify right side
    17,571.68x = 254,257,335.10
  5. Step 5: Solve for x
    x = 254,257,335.10/17,571.68
  6. Step 6: Final answer
    x = 14,469.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.