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Finding the Fourth Proportional to 16,609.57, 24,910.11 and 4,920.06

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Solution

The fourth proportional to 16,609.57, 24,910.11 and 4,920.06 is: 7,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609.57 : 24,910.11 = 4,920.06 : x
  2. Step 2: Convert to fraction form
    16,609.57/24,910.11 = 4,920.06/x
  3. Step 3: Cross multiply
    16,609.57x = 24,910.11 × 4,920.06
  4. Step 4: Simplify right side
    16,609.57x = 122,559,235.81
  5. Step 5: Solve for x
    x = 122,559,235.81/16,609.57
  6. Step 6: Final answer
    x = 7,378.83

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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.