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Finding the Fourth Proportional to 17,162.88, 25,750.08 and 7,297.92

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Solution

The fourth proportional to 17,162.88, 25,750.08 and 7,297.92 is: 10,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,162.88 : 25,750.08 = 7,297.92 : x
  2. Step 2: Convert to fraction form
    17,162.88/25,750.08 = 7,297.92/x
  3. Step 3: Cross multiply
    17,162.88x = 25,750.08 × 7,297.92
  4. Step 4: Simplify right side
    17,162.88x = 187,922,023.83
  5. Step 5: Solve for x
    x = 187,922,023.83/17,162.88
  6. Step 6: Final answer
    x = 10,949.33

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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.