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Finding the Fourth Proportional to 17,951.92, 24,771.85 and 10,400.68

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Solution

The fourth proportional to 17,951.92, 24,771.85 and 10,400.68 is: 14,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.92 : 24,771.85 = 10,400.68 : x
  2. Step 2: Convert to fraction form
    17,951.92/24,771.85 = 10,400.68/x
  3. Step 3: Cross multiply
    17,951.92x = 24,771.85 × 10,400.68
  4. Step 4: Simplify right side
    17,951.92x = 257,644,084.86
  5. Step 5: Solve for x
    x = 257,644,084.86/17,951.92
  6. Step 6: Final answer
    x = 14,351.90

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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.