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Finding the Fourth Proportional to 17,329.08, 25,979.22 and 9,939

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Solution

The fourth proportional to 17,329.08, 25,979.22 and 9,939 is: 14,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,329.08 : 25,979.22 = 9,939 : x
  2. Step 2: Convert to fraction form
    17,329.08/25,979.22 = 9,939/x
  3. Step 3: Cross multiply
    17,329.08x = 25,979.22 × 9,939
  4. Step 4: Simplify right side
    17,329.08x = 258,207,467.58
  5. Step 5: Solve for x
    x = 258,207,467.58/17,329.08
  6. Step 6: Final answer
    x = 14,900.24

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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.