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Finding the Fourth Proportional to 16,609.73, 24,911.53 and 4,920.17

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Solution

The fourth proportional to 16,609.73, 24,911.53 and 4,920.17 is: 7,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609.73 : 24,911.53 = 4,920.17 : x
  2. Step 2: Convert to fraction form
    16,609.73/24,911.53 = 4,920.17/x
  3. Step 3: Cross multiply
    16,609.73x = 24,911.53 × 4,920.17
  4. Step 4: Simplify right side
    16,609.73x = 122,568,825.70
  5. Step 5: Solve for x
    x = 122,568,825.70/16,609.73
  6. Step 6: Final answer
    x = 7,379.34

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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.