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Finding the Fourth Proportional to 17,951.78, 24,770.62 and 10,398.82

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Solution

The fourth proportional to 17,951.78, 24,770.62 and 10,398.82 is: 14,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.78 : 24,770.62 = 10,398.82 : x
  2. Step 2: Convert to fraction form
    17,951.78/24,770.62 = 10,398.82/x
  3. Step 3: Cross multiply
    17,951.78x = 24,770.62 × 10,398.82
  4. Step 4: Simplify right side
    17,951.78x = 257,585,218.67
  5. Step 5: Solve for x
    x = 257,585,218.67/17,951.78
  6. Step 6: Final answer
    x = 14,348.73

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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.