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Finding the Fourth Proportional to 7,793.98, 10,755.25 and 4,437.61

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Solution

The fourth proportional to 7,793.98, 10,755.25 and 4,437.61 is: 6,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.98 : 10,755.25 = 4,437.61 : x
  2. Step 2: Convert to fraction form
    7,793.98/10,755.25 = 4,437.61/x
  3. Step 3: Cross multiply
    7,793.98x = 10,755.25 × 4,437.61
  4. Step 4: Simplify right side
    7,793.98x = 47,727,604.95
  5. Step 5: Solve for x
    x = 47,727,604.95/7,793.98
  6. Step 6: Final answer
    x = 6,123.65

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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.