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Finding the Fourth Proportional to 17,974.80, 24,797.91 and 10,888.92

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Solution

The fourth proportional to 17,974.80, 24,797.91 and 10,888.92 is: 15,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,974.80 : 24,797.91 = 10,888.92 : x
  2. Step 2: Convert to fraction form
    17,974.80/24,797.91 = 10,888.92/x
  3. Step 3: Cross multiply
    17,974.80x = 24,797.91 × 10,888.92
  4. Step 4: Simplify right side
    17,974.80x = 270,022,458.16
  5. Step 5: Solve for x
    x = 270,022,458.16/17,974.80
  6. Step 6: Final answer
    x = 15,022.28

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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.