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Finding the Fourth Proportional to 17,290.05, 25,930.98 and 7,924.23

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Solution

The fourth proportional to 17,290.05, 25,930.98 and 7,924.23 is: 11,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.05 : 25,930.98 = 7,924.23 : x
  2. Step 2: Convert to fraction form
    17,290.05/25,930.98 = 7,924.23/x
  3. Step 3: Cross multiply
    17,290.05x = 25,930.98 × 7,924.23
  4. Step 4: Simplify right side
    17,290.05x = 205,483,049.65
  5. Step 5: Solve for x
    x = 205,483,049.65/17,290.05
  6. Step 6: Final answer
    x = 11,884.47

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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.